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Finding the Fourth Proportional to 62,656.70, 86,470.82 and 35,798.63

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Solution

The fourth proportional to 62,656.70, 86,470.82 and 35,798.63 is: 49,404.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,656.70 : 86,470.82 = 35,798.63 : x
  2. Step 2: Convert to fraction form
    62,656.70/86,470.82 = 35,798.63/x
  3. Step 3: Cross multiply
    62,656.70x = 86,470.82 × 35,798.63
  4. Step 4: Simplify right side
    62,656.70x = 3,095,536,900.27
  5. Step 5: Solve for x
    x = 3,095,536,900.27/62,656.70
  6. Step 6: Final answer
    x = 49,404.72

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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.