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Finding the Fourth Proportional to 32,422.64, 44,742.88 and 18,280.04

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Solution

The fourth proportional to 32,422.64, 44,742.88 and 18,280.04 is: 25,226.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,422.64 : 44,742.88 = 18,280.04 : x
  2. Step 2: Convert to fraction form
    32,422.64/44,742.88 = 18,280.04/x
  3. Step 3: Cross multiply
    32,422.64x = 44,742.88 × 18,280.04
  4. Step 4: Simplify right side
    32,422.64x = 817,901,636.12
  5. Step 5: Solve for x
    x = 817,901,636.12/32,422.64
  6. Step 6: Final answer
    x = 25,226.25

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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.