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Finding the Fourth Proportional to 32,657, 45,066.72 and 18,511.16

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Solution

The fourth proportional to 32,657, 45,066.72 and 18,511.16 is: 25,545.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,657 : 45,066.72 = 18,511.16 : x
  2. Step 2: Convert to fraction form
    32,657/45,066.72 = 18,511.16/x
  3. Step 3: Cross multiply
    32,657x = 45,066.72 × 18,511.16
  4. Step 4: Simplify right side
    32,657x = 834,237,264.60
  5. Step 5: Solve for x
    x = 834,237,264.60/32,657
  6. Step 6: Final answer
    x = 25,545.43

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1.5x scale

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.