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Finding the Fourth Proportional to 48,501.44, 72,743.88 and 13,432.88

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Solution

The fourth proportional to 48,501.44, 72,743.88 and 13,432.88 is: 20,147.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,501.44 : 72,743.88 = 13,432.88 : x
  2. Step 2: Convert to fraction form
    48,501.44/72,743.88 = 13,432.88/x
  3. Step 3: Cross multiply
    48,501.44x = 72,743.88 × 13,432.88
  4. Step 4: Simplify right side
    48,501.44x = 977,159,810.77
  5. Step 5: Solve for x
    x = 977,159,810.77/48,501.44
  6. Step 6: Final answer
    x = 20,147.03

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1.5x scale

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.