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Finding the Fourth Proportional to 62,403.84, 86,109.12 and 37,248

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Solution

The fourth proportional to 62,403.84, 86,109.12 and 37,248 is: 51,397.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,403.84 : 86,109.12 = 37,248 : x
  2. Step 2: Convert to fraction form
    62,403.84/86,109.12 = 37,248/x
  3. Step 3: Cross multiply
    62,403.84x = 86,109.12 × 37,248
  4. Step 4: Simplify right side
    62,403.84x = 3,207,392,501.76
  5. Step 5: Solve for x
    x = 3,207,392,501.76/62,403.84
  6. Step 6: Final answer
    x = 51,397.36

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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.