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Finding the Fourth Proportional to 9,807.30, 14,710.95 and 9,612.90

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Solution

The fourth proportional to 9,807.30, 14,710.95 and 9,612.90 is: 14,419.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,807.30 : 14,710.95 = 9,612.90 : x
  2. Step 2: Convert to fraction form
    9,807.30/14,710.95 = 9,612.90/x
  3. Step 3: Cross multiply
    9,807.30x = 14,710.95 × 9,612.90
  4. Step 4: Simplify right side
    9,807.30x = 141,414,891.26
  5. Step 5: Solve for x
    x = 141,414,891.26/9,807.30
  6. Step 6: Final answer
    x = 14,419.35

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.