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Finding the Fourth Proportional to 68,772.60, 94,945.50 and 52,610.13

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Solution

The fourth proportional to 68,772.60, 94,945.50 and 52,610.13 is: 72,632.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,772.60 : 94,945.50 = 52,610.13 : x
  2. Step 2: Convert to fraction form
    68,772.60/94,945.50 = 52,610.13/x
  3. Step 3: Cross multiply
    68,772.60x = 94,945.50 × 52,610.13
  4. Step 4: Simplify right side
    68,772.60x = 4,995,095,097.92
  5. Step 5: Solve for x
    x = 4,995,095,097.92/68,772.60
  6. Step 6: Final answer
    x = 72,632.05

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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.