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Finding the Fourth Proportional to 62,178.51, 85,809.85 and 47,044.90

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Solution

The fourth proportional to 62,178.51, 85,809.85 and 47,044.90 is: 64,924.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,178.51 : 85,809.85 = 47,044.90 : x
  2. Step 2: Convert to fraction form
    62,178.51/85,809.85 = 47,044.90/x
  3. Step 3: Cross multiply
    62,178.51x = 85,809.85 × 47,044.90
  4. Step 4: Simplify right side
    62,178.51x = 4,036,915,656.55
  5. Step 5: Solve for x
    x = 4,036,915,656.55/62,178.51
  6. Step 6: Final answer
    x = 64,924.61

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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.