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Finding the Fourth Proportional to 63,644.04, 87,881.94 and 53,089.02

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Solution

The fourth proportional to 63,644.04, 87,881.94 and 53,089.02 is: 73,307.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,644.04 : 87,881.94 = 53,089.02 : x
  2. Step 2: Convert to fraction form
    63,644.04/87,881.94 = 53,089.02/x
  3. Step 3: Cross multiply
    63,644.04x = 87,881.94 × 53,089.02
  4. Step 4: Simplify right side
    63,644.04x = 4,665,566,070.30
  5. Step 5: Solve for x
    x = 4,665,566,070.30/63,644.04
  6. Step 6: Final answer
    x = 73,307.20

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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.