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Finding the Fourth Proportional to 62,799.71, 86,590.35 and 46,856.48

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Solution

The fourth proportional to 62,799.71, 86,590.35 and 46,856.48 is: 64,607.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,799.71 : 86,590.35 = 46,856.48 : x
  2. Step 2: Convert to fraction form
    62,799.71/86,590.35 = 46,856.48/x
  3. Step 3: Cross multiply
    62,799.71x = 86,590.35 × 46,856.48
  4. Step 4: Simplify right side
    62,799.71x = 4,057,318,570.02
  5. Step 5: Solve for x
    x = 4,057,318,570.02/62,799.71
  6. Step 6: Final answer
    x = 64,607.29

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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.