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Finding the Fourth Proportional to 59,938.48, 89,451.95 and 53,295.64

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Solution

The fourth proportional to 59,938.48, 89,451.95 and 53,295.64 is: 79,538.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,938.48 : 89,451.95 = 53,295.64 : x
  2. Step 2: Convert to fraction form
    59,938.48/89,451.95 = 53,295.64/x
  3. Step 3: Cross multiply
    59,938.48x = 89,451.95 × 53,295.64
  4. Step 4: Simplify right side
    59,938.48x = 4,767,398,924.50
  5. Step 5: Solve for x
    x = 4,767,398,924.50/59,938.48
  6. Step 6: Final answer
    x = 79,538.20

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.