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Finding the Fourth Proportional to 65,483.32, 90,271.48 and 52,060

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Solution

The fourth proportional to 65,483.32, 90,271.48 and 52,060 is: 71,766.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,483.32 : 90,271.48 = 52,060 : x
  2. Step 2: Convert to fraction form
    65,483.32/90,271.48 = 52,060/x
  3. Step 3: Cross multiply
    65,483.32x = 90,271.48 × 52,060
  4. Step 4: Simplify right side
    65,483.32x = 4,699,533,248.80
  5. Step 5: Solve for x
    x = 4,699,533,248.80/65,483.32
  6. Step 6: Final answer
    x = 71,766.88

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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.