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Finding the Fourth Proportional to 72,461.76, 108,599.08 and 32,451.51

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Solution

The fourth proportional to 72,461.76, 108,599.08 and 32,451.51 is: 48,635.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,461.76 : 108,599.08 = 32,451.51 : x
  2. Step 2: Convert to fraction form
    72,461.76/108,599.08 = 32,451.51/x
  3. Step 3: Cross multiply
    72,461.76x = 108,599.08 × 32,451.51
  4. Step 4: Simplify right side
    72,461.76x = 3,524,204,130.61
  5. Step 5: Solve for x
    x = 3,524,204,130.61/72,461.76
  6. Step 6: Final answer
    x = 48,635.36

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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.