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Finding the Fourth Proportional to 32,657.92, 45,068.88 and 18,510.32

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Solution

The fourth proportional to 32,657.92, 45,068.88 and 18,510.32 is: 25,544.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,657.92 : 45,068.88 = 18,510.32 : x
  2. Step 2: Convert to fraction form
    32,657.92/45,068.88 = 18,510.32/x
  3. Step 3: Cross multiply
    32,657.92x = 45,068.88 × 18,510.32
  4. Step 4: Simplify right side
    32,657.92x = 834,239,390.84
  5. Step 5: Solve for x
    x = 834,239,390.84/32,657.92
  6. Step 6: Final answer
    x = 25,544.78

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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.