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Finding the Fourth Proportional to 61,547.87, 84,893.87 and 37,686.35

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Solution

The fourth proportional to 61,547.87, 84,893.87 and 37,686.35 is: 51,981.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,547.87 : 84,893.87 = 37,686.35 : x
  2. Step 2: Convert to fraction form
    61,547.87/84,893.87 = 37,686.35/x
  3. Step 3: Cross multiply
    61,547.87x = 84,893.87 × 37,686.35
  4. Step 4: Simplify right side
    61,547.87x = 3,199,340,097.67
  5. Step 5: Solve for x
    x = 3,199,340,097.67/61,547.87
  6. Step 6: Final answer
    x = 51,981.33

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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.