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Finding the Fourth Proportional to 32,487.36, 48,731.04 and 9,113.76

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Solution

The fourth proportional to 32,487.36, 48,731.04 and 9,113.76 is: 13,670.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,487.36 : 48,731.04 = 9,113.76 : x
  2. Step 2: Convert to fraction form
    32,487.36/48,731.04 = 9,113.76/x
  3. Step 3: Cross multiply
    32,487.36x = 48,731.04 × 9,113.76
  4. Step 4: Simplify right side
    32,487.36x = 444,123,003.11
  5. Step 5: Solve for x
    x = 444,123,003.11/32,487.36
  6. Step 6: Final answer
    x = 13,670.64

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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.