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Finding the Fourth Proportional to 25,004.80, 37,468.80 and 21,702.40

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Solution

The fourth proportional to 25,004.80, 37,468.80 and 21,702.40 is: 32,520.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,004.80 : 37,468.80 = 21,702.40 : x
  2. Step 2: Convert to fraction form
    25,004.80/37,468.80 = 21,702.40/x
  3. Step 3: Cross multiply
    25,004.80x = 37,468.80 × 21,702.40
  4. Step 4: Simplify right side
    25,004.80x = 813,162,885.12
  5. Step 5: Solve for x
    x = 813,162,885.12/25,004.80
  6. Step 6: Final answer
    x = 32,520.27

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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.