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Finding the Fourth Proportional to 62,937.45, 86,853.71 and 34,642.94

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Solution

The fourth proportional to 62,937.45, 86,853.71 and 34,642.94 is: 47,807.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,937.45 : 86,853.71 = 34,642.94 : x
  2. Step 2: Convert to fraction form
    62,937.45/86,853.71 = 34,642.94/x
  3. Step 3: Cross multiply
    62,937.45x = 86,853.71 × 34,642.94
  4. Step 4: Simplify right side
    62,937.45x = 3,008,867,864.31
  5. Step 5: Solve for x
    x = 3,008,867,864.31/62,937.45
  6. Step 6: Final answer
    x = 47,807.27

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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.