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Finding the Fourth Proportional to 25,702.72, 35,459.02 and 17,304.64

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Solution

The fourth proportional to 25,702.72, 35,459.02 and 17,304.64 is: 23,873.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,702.72 : 35,459.02 = 17,304.64 : x
  2. Step 2: Convert to fraction form
    25,702.72/35,459.02 = 17,304.64/x
  3. Step 3: Cross multiply
    25,702.72x = 35,459.02 × 17,304.64
  4. Step 4: Simplify right side
    25,702.72x = 613,605,575.85
  5. Step 5: Solve for x
    x = 613,605,575.85/25,702.72
  6. Step 6: Final answer
    x = 23,873.18

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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.