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Finding the Fourth Proportional to 42,886.68, 64,180.32 and 32,737.62

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Solution

The fourth proportional to 42,886.68, 64,180.32 and 32,737.62 is: 48,992.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,886.68 : 64,180.32 = 32,737.62 : x
  2. Step 2: Convert to fraction form
    42,886.68/64,180.32 = 32,737.62/x
  3. Step 3: Cross multiply
    42,886.68x = 64,180.32 × 32,737.62
  4. Step 4: Simplify right side
    42,886.68x = 2,101,110,927.64
  5. Step 5: Solve for x
    x = 2,101,110,927.64/42,886.68
  6. Step 6: Final answer
    x = 48,992.16

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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.