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Finding the Fourth Proportional to 58,371.74, 80,554.92 and 32,878.58

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Solution

The fourth proportional to 58,371.74, 80,554.92 and 32,878.58 is: 45,373.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,371.74 : 80,554.92 = 32,878.58 : x
  2. Step 2: Convert to fraction form
    58,371.74/80,554.92 = 32,878.58/x
  3. Step 3: Cross multiply
    58,371.74x = 80,554.92 × 32,878.58
  4. Step 4: Simplify right side
    58,371.74x = 2,648,531,381.61
  5. Step 5: Solve for x
    x = 2,648,531,381.61/58,371.74
  6. Step 6: Final answer
    x = 45,373.52

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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.