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Finding the Fourth Proportional to 58,825.68, 81,178.68 and 31,967.52

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Solution

The fourth proportional to 58,825.68, 81,178.68 and 31,967.52 is: 44,114.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,825.68 : 81,178.68 = 31,967.52 : x
  2. Step 2: Convert to fraction form
    58,825.68/81,178.68 = 31,967.52/x
  3. Step 3: Cross multiply
    58,825.68x = 81,178.68 × 31,967.52
  4. Step 4: Simplify right side
    58,825.68x = 2,595,081,076.47
  5. Step 5: Solve for x
    x = 2,595,081,076.47/58,825.68
  6. Step 6: Final answer
    x = 44,114.77

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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.