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Finding the Fourth Proportional to 22,482.52, 33,686.88 and 7,683.40

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Solution

The fourth proportional to 22,482.52, 33,686.88 and 7,683.40 is: 11,512.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,482.52 : 33,686.88 = 7,683.40 : x
  2. Step 2: Convert to fraction form
    22,482.52/33,686.88 = 7,683.40/x
  3. Step 3: Cross multiply
    22,482.52x = 33,686.88 × 7,683.40
  4. Step 4: Simplify right side
    22,482.52x = 258,829,773.79
  5. Step 5: Solve for x
    x = 258,829,773.79/22,482.52
  6. Step 6: Final answer
    x = 11,512.49

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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.