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Finding the Fourth Proportional to 58,610.88, 87,916.32 and 38,927.88

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Solution

The fourth proportional to 58,610.88, 87,916.32 and 38,927.88 is: 58,391.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,610.88 : 87,916.32 = 38,927.88 : x
  2. Step 2: Convert to fraction form
    58,610.88/87,916.32 = 38,927.88/x
  3. Step 3: Cross multiply
    58,610.88x = 87,916.32 × 38,927.88
  4. Step 4: Simplify right side
    58,610.88x = 3,422,395,955.00
  5. Step 5: Solve for x
    x = 3,422,395,955.00/58,610.88
  6. Step 6: Final answer
    x = 58,391.82

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1.5x scale

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.