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Finding the Fourth Proportional to 47,866.86, 66,062.45 and 27,456.88

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Solution

The fourth proportional to 47,866.86, 66,062.45 and 27,456.88 is: 37,894.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,866.86 : 66,062.45 = 27,456.88 : x
  2. Step 2: Convert to fraction form
    47,866.86/66,062.45 = 27,456.88/x
  3. Step 3: Cross multiply
    47,866.86x = 66,062.45 × 27,456.88
  4. Step 4: Simplify right side
    47,866.86x = 1,813,868,762.16
  5. Step 5: Solve for x
    x = 1,813,868,762.16/47,866.86
  6. Step 6: Final answer
    x = 37,894.04

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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.