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Finding the Fourth Proportional to 62,838.36, 86,703.85 and 37,353.74

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Solution

The fourth proportional to 62,838.36, 86,703.85 and 37,353.74 is: 51,540.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,838.36 : 86,703.85 = 37,353.74 : x
  2. Step 2: Convert to fraction form
    62,838.36/86,703.85 = 37,353.74/x
  3. Step 3: Cross multiply
    62,838.36x = 86,703.85 × 37,353.74
  4. Step 4: Simplify right side
    62,838.36x = 3,238,712,683.07
  5. Step 5: Solve for x
    x = 3,238,712,683.07/62,838.36
  6. Step 6: Final answer
    x = 51,540.38

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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.