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Finding the Fourth Proportional to 48,547.88, 72,811.42 and 15,263.72

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Solution

The fourth proportional to 48,547.88, 72,811.42 and 15,263.72 is: 22,892.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,547.88 : 72,811.42 = 15,263.72 : x
  2. Step 2: Convert to fraction form
    48,547.88/72,811.42 = 15,263.72/x
  3. Step 3: Cross multiply
    48,547.88x = 72,811.42 × 15,263.72
  4. Step 4: Simplify right side
    48,547.88x = 1,111,373,127.68
  5. Step 5: Solve for x
    x = 1,111,373,127.68/48,547.88
  6. Step 6: Final answer
    x = 22,892.31

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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.