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Finding the Fourth Proportional to 48,484, 72,726 and 15,652

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Solution

The fourth proportional to 48,484, 72,726 and 15,652 is: 23,478

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,484 : 72,726 = 15,652 : x
  2. Step 2: Convert to fraction form
    48,484/72,726 = 15,652/x
  3. Step 3: Cross multiply
    48,484x = 72,726 × 15,652
  4. Step 4: Simplify right side
    48,484x = 1,138,307,352
  5. Step 5: Solve for x
    x = 1,138,307,352/48,484
  6. Step 6: Final answer
    x = 23,478

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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.