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Finding the Fourth Proportional to 61,025.88, 84,143.97 and 48,916.65

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Solution

The fourth proportional to 61,025.88, 84,143.97 and 48,916.65 is: 67,447.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,025.88 : 84,143.97 = 48,916.65 : x
  2. Step 2: Convert to fraction form
    61,025.88/84,143.97 = 48,916.65/x
  3. Step 3: Cross multiply
    61,025.88x = 84,143.97 × 48,916.65
  4. Step 4: Simplify right side
    61,025.88x = 4,116,041,130.10
  5. Step 5: Solve for x
    x = 4,116,041,130.10/61,025.88
  6. Step 6: Final answer
    x = 67,447.47

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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.