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Finding the Fourth Proportional to 10,792.68, 14,875.56 and 7,607.28

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Solution

The fourth proportional to 10,792.68, 14,875.56 and 7,607.28 is: 10,485.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,792.68 : 14,875.56 = 7,607.28 : x
  2. Step 2: Convert to fraction form
    10,792.68/14,875.56 = 7,607.28/x
  3. Step 3: Cross multiply
    10,792.68x = 14,875.56 × 7,607.28
  4. Step 4: Simplify right side
    10,792.68x = 113,162,550.08
  5. Step 5: Solve for x
    x = 113,162,550.08/10,792.68
  6. Step 6: Final answer
    x = 10,485.12

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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.