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Finding the Fourth Proportional to 32,422.87, 44,746.32 and 18,278.65

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Solution

The fourth proportional to 32,422.87, 44,746.32 and 18,278.65 is: 25,226.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,422.87 : 44,746.32 = 18,278.65 : x
  2. Step 2: Convert to fraction form
    32,422.87/44,746.32 = 18,278.65/x
  3. Step 3: Cross multiply
    32,422.87x = 44,746.32 × 18,278.65
  4. Step 4: Simplify right side
    32,422.87x = 817,902,322.07
  5. Step 5: Solve for x
    x = 817,902,322.07/32,422.87
  6. Step 6: Final answer
    x = 25,226.09

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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.