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Finding the Fourth Proportional to 63,782.68, 95,674.04 and 52,641.40

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Solution

The fourth proportional to 63,782.68, 95,674.04 and 52,641.40 is: 78,962.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,782.68 : 95,674.04 = 52,641.40 : x
  2. Step 2: Convert to fraction form
    63,782.68/95,674.04 = 52,641.40/x
  3. Step 3: Cross multiply
    63,782.68x = 95,674.04 × 52,641.40
  4. Step 4: Simplify right side
    63,782.68x = 5,036,415,409.26
  5. Step 5: Solve for x
    x = 5,036,415,409.26/63,782.68
  6. Step 6: Final answer
    x = 78,962.12

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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.