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Finding the Fourth Proportional to 63,613.55, 87,797.93 and 47,561.31

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Solution

The fourth proportional to 63,613.55, 87,797.93 and 47,561.31 is: 65,643.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,613.55 : 87,797.93 = 47,561.31 : x
  2. Step 2: Convert to fraction form
    63,613.55/87,797.93 = 47,561.31/x
  3. Step 3: Cross multiply
    63,613.55x = 87,797.93 × 47,561.31
  4. Step 4: Simplify right side
    63,613.55x = 4,175,784,328.28
  5. Step 5: Solve for x
    x = 4,175,784,328.28/63,613.55
  6. Step 6: Final answer
    x = 65,643.00

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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.