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Finding the Fourth Proportional to 45,407.83, 62,661.22 and 24,987.99

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Solution

The fourth proportional to 45,407.83, 62,661.22 and 24,987.99 is: 34,482.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,407.83 : 62,661.22 = 24,987.99 : x
  2. Step 2: Convert to fraction form
    45,407.83/62,661.22 = 24,987.99/x
  3. Step 3: Cross multiply
    45,407.83x = 62,661.22 × 24,987.99
  4. Step 4: Simplify right side
    45,407.83x = 1,565,777,938.75
  5. Step 5: Solve for x
    x = 1,565,777,938.75/45,407.83
  6. Step 6: Final answer
    x = 34,482.55

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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.