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Finding the Fourth Proportional to 58,959.12, 81,361 and 32,101.72

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Solution

The fourth proportional to 58,959.12, 81,361 and 32,101.72 is: 44,298.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,959.12 : 81,361 = 32,101.72 : x
  2. Step 2: Convert to fraction form
    58,959.12/81,361 = 32,101.72/x
  3. Step 3: Cross multiply
    58,959.12x = 81,361 × 32,101.72
  4. Step 4: Simplify right side
    58,959.12x = 2,611,828,040.92
  5. Step 5: Solve for x
    x = 2,611,828,040.92/58,959.12
  6. Step 6: Final answer
    x = 44,298.97

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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.