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Finding the Fourth Proportional to 38,580.95, 53,259.90 and 29,024.48

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Solution

The fourth proportional to 38,580.95, 53,259.90 and 29,024.48 is: 40,067.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,580.95 : 53,259.90 = 29,024.48 : x
  2. Step 2: Convert to fraction form
    38,580.95/53,259.90 = 29,024.48/x
  3. Step 3: Cross multiply
    38,580.95x = 53,259.90 × 29,024.48
  4. Step 4: Simplify right side
    38,580.95x = 1,545,840,944.62
  5. Step 5: Solve for x
    x = 1,545,840,944.62/38,580.95
  6. Step 6: Final answer
    x = 40,067.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.