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Finding the Fourth Proportional to 63,009.80, 94,514.70 and 52,641.80

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Solution

The fourth proportional to 63,009.80, 94,514.70 and 52,641.80 is: 78,962.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,009.80 : 94,514.70 = 52,641.80 : x
  2. Step 2: Convert to fraction form
    63,009.80/94,514.70 = 52,641.80/x
  3. Step 3: Cross multiply
    63,009.80x = 94,514.70 × 52,641.80
  4. Step 4: Simplify right side
    63,009.80x = 4,975,423,934.46
  5. Step 5: Solve for x
    x = 4,975,423,934.46/63,009.80
  6. Step 6: Final answer
    x = 78,962.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.