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Finding the Fourth Proportional to 60,706.80, 91,038.32 and 25,649.19

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Solution

The fourth proportional to 60,706.80, 91,038.32 and 25,649.19 is: 38,464.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,706.80 : 91,038.32 = 25,649.19 : x
  2. Step 2: Convert to fraction form
    60,706.80/91,038.32 = 25,649.19/x
  3. Step 3: Cross multiply
    60,706.80x = 91,038.32 × 25,649.19
  4. Step 4: Simplify right side
    60,706.80x = 2,335,059,166.96
  5. Step 5: Solve for x
    x = 2,335,059,166.96/60,706.80
  6. Step 6: Final answer
    x = 38,464.54

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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.