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Finding the Fourth Proportional to 96,652.61, 133,387.88 and 53,640.21

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Solution

The fourth proportional to 96,652.61, 133,387.88 and 53,640.21 is: 74,027.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,652.61 : 133,387.88 = 53,640.21 : x
  2. Step 2: Convert to fraction form
    96,652.61/133,387.88 = 53,640.21/x
  3. Step 3: Cross multiply
    96,652.61x = 133,387.88 × 53,640.21
  4. Step 4: Simplify right side
    96,652.61x = 7,154,953,894.65
  5. Step 5: Solve for x
    x = 7,154,953,894.65/96,652.61
  6. Step 6: Final answer
    x = 74,027.53

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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.