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Finding the Fourth Proportional to 32,372.64, 44,701.20 and 21,797.28

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Solution

The fourth proportional to 32,372.64, 44,701.20 and 21,797.28 is: 30,098.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,372.64 : 44,701.20 = 21,797.28 : x
  2. Step 2: Convert to fraction form
    32,372.64/44,701.20 = 21,797.28/x
  3. Step 3: Cross multiply
    32,372.64x = 44,701.20 × 21,797.28
  4. Step 4: Simplify right side
    32,372.64x = 974,364,572.74
  5. Step 5: Solve for x
    x = 974,364,572.74/32,372.64
  6. Step 6: Final answer
    x = 30,098.40

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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.