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Finding the Fourth Proportional to 5,776.10, 8,664.15 and 4,901.30

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Solution

The fourth proportional to 5,776.10, 8,664.15 and 4,901.30 is: 7,351.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,776.10 : 8,664.15 = 4,901.30 : x
  2. Step 2: Convert to fraction form
    5,776.10/8,664.15 = 4,901.30/x
  3. Step 3: Cross multiply
    5,776.10x = 8,664.15 × 4,901.30
  4. Step 4: Simplify right side
    5,776.10x = 42,465,598.40
  5. Step 5: Solve for x
    x = 42,465,598.40/5,776.10
  6. Step 6: Final answer
    x = 7,351.95

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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.