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Finding the Fourth Proportional to 62,807.60, 94,430.10 and 53,184.80

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Solution

The fourth proportional to 62,807.60, 94,430.10 and 53,184.80 is: 79,962.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,807.60 : 94,430.10 = 53,184.80 : x
  2. Step 2: Convert to fraction form
    62,807.60/94,430.10 = 53,184.80/x
  3. Step 3: Cross multiply
    62,807.60x = 94,430.10 × 53,184.80
  4. Step 4: Simplify right side
    62,807.60x = 5,022,245,982.48
  5. Step 5: Solve for x
    x = 5,022,245,982.48/62,807.60
  6. Step 6: Final answer
    x = 79,962.39

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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.