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Finding the Fourth Proportional to 61,556.81, 92,335.21 and 14,809.68

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Solution

The fourth proportional to 61,556.81, 92,335.21 and 14,809.68 is: 22,214.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,556.81 : 92,335.21 = 14,809.68 : x
  2. Step 2: Convert to fraction form
    61,556.81/92,335.21 = 14,809.68/x
  3. Step 3: Cross multiply
    61,556.81x = 92,335.21 × 14,809.68
  4. Step 4: Simplify right side
    61,556.81x = 1,367,454,875.81
  5. Step 5: Solve for x
    x = 1,367,454,875.81/61,556.81
  6. Step 6: Final answer
    x = 22,214.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.