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Finding the Fourth Proportional to 9,792.56, 14,715.95 and 9,555.18

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Solution

The fourth proportional to 9,792.56, 14,715.95 and 9,555.18 is: 14,359.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,792.56 : 14,715.95 = 9,555.18 : x
  2. Step 2: Convert to fraction form
    9,792.56/14,715.95 = 9,555.18/x
  3. Step 3: Cross multiply
    9,792.56x = 14,715.95 × 9,555.18
  4. Step 4: Simplify right side
    9,792.56x = 140,613,503.35
  5. Step 5: Solve for x
    x = 140,613,503.35/9,792.56
  6. Step 6: Final answer
    x = 14,359.21

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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.