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Finding the Fourth Proportional to 9,817.59, 14,726.39 and 6,908.88

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Solution

The fourth proportional to 9,817.59, 14,726.39 and 6,908.88 is: 10,363.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,817.59 : 14,726.39 = 6,908.88 : x
  2. Step 2: Convert to fraction form
    9,817.59/14,726.39 = 6,908.88/x
  3. Step 3: Cross multiply
    9,817.59x = 14,726.39 × 6,908.88
  4. Step 4: Simplify right side
    9,817.59x = 101,742,861.34
  5. Step 5: Solve for x
    x = 101,742,861.34/9,817.59
  6. Step 6: Final answer
    x = 10,363.32

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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.