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Finding the Fourth Proportional to 48,447.68, 72,656.16 and 15,608

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Solution

The fourth proportional to 48,447.68, 72,656.16 and 15,608 is: 23,407.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,447.68 : 72,656.16 = 15,608 : x
  2. Step 2: Convert to fraction form
    48,447.68/72,656.16 = 15,608/x
  3. Step 3: Cross multiply
    48,447.68x = 72,656.16 × 15,608
  4. Step 4: Simplify right side
    48,447.68x = 1,134,017,345.28
  5. Step 5: Solve for x
    x = 1,134,017,345.28/48,447.68
  6. Step 6: Final answer
    x = 23,407.05

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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.