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Finding the Fourth Proportional to 48,423, 72,637.25 and 17,258.25

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Solution

The fourth proportional to 48,423, 72,637.25 and 17,258.25 is: 25,888.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,423 : 72,637.25 = 17,258.25 : x
  2. Step 2: Convert to fraction form
    48,423/72,637.25 = 17,258.25/x
  3. Step 3: Cross multiply
    48,423x = 72,637.25 × 17,258.25
  4. Step 4: Simplify right side
    48,423x = 1,253,591,733.52
  5. Step 5: Solve for x
    x = 1,253,591,733.52/48,423
  6. Step 6: Final answer
    x = 25,888.35

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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.