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Finding the Fourth Proportional to 48,055.01, 72,004.64 and 29,278.08

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Solution

The fourth proportional to 48,055.01, 72,004.64 and 29,278.08 is: 43,869.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,055.01 : 72,004.64 = 29,278.08 : x
  2. Step 2: Convert to fraction form
    48,055.01/72,004.64 = 29,278.08/x
  3. Step 3: Cross multiply
    48,055.01x = 72,004.64 × 29,278.08
  4. Step 4: Simplify right side
    48,055.01x = 2,108,157,463.90
  5. Step 5: Solve for x
    x = 2,108,157,463.90/48,055.01
  6. Step 6: Final answer
    x = 43,869.68

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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.