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Finding the Fourth Proportional to 62,120.52, 92,730.42 and 57,495.42

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Solution

The fourth proportional to 62,120.52, 92,730.42 and 57,495.42 is: 85,826.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,120.52 : 92,730.42 = 57,495.42 : x
  2. Step 2: Convert to fraction form
    62,120.52/92,730.42 = 57,495.42/x
  3. Step 3: Cross multiply
    62,120.52x = 92,730.42 × 57,495.42
  4. Step 4: Simplify right side
    62,120.52x = 5,331,574,444.68
  5. Step 5: Solve for x
    x = 5,331,574,444.68/62,120.52
  6. Step 6: Final answer
    x = 85,826.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.