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Finding the Fourth Proportional to 63,759.98, 87,999.45 and 36,897.86

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Solution

The fourth proportional to 63,759.98, 87,999.45 and 36,897.86 is: 50,925.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,759.98 : 87,999.45 = 36,897.86 : x
  2. Step 2: Convert to fraction form
    63,759.98/87,999.45 = 36,897.86/x
  3. Step 3: Cross multiply
    63,759.98x = 87,999.45 × 36,897.86
  4. Step 4: Simplify right side
    63,759.98x = 3,246,991,386.18
  5. Step 5: Solve for x
    x = 3,246,991,386.18/63,759.98
  6. Step 6: Final answer
    x = 50,925.23

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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.