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Finding the Fourth Proportional to 10,695.66, 14,760.18 and 6,451.17

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Solution

The fourth proportional to 10,695.66, 14,760.18 and 6,451.17 is: 8,902.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,695.66 : 14,760.18 = 6,451.17 : x
  2. Step 2: Convert to fraction form
    10,695.66/14,760.18 = 6,451.17/x
  3. Step 3: Cross multiply
    10,695.66x = 14,760.18 × 6,451.17
  4. Step 4: Simplify right side
    10,695.66x = 95,220,430.41
  5. Step 5: Solve for x
    x = 95,220,430.41/10,695.66
  6. Step 6: Final answer
    x = 8,902.72

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.