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Finding the Fourth Proportional to 15,114.90, 22,672.35 and 5,880.90

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Solution

The fourth proportional to 15,114.90, 22,672.35 and 5,880.90 is: 8,821.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,114.90 : 22,672.35 = 5,880.90 : x
  2. Step 2: Convert to fraction form
    15,114.90/22,672.35 = 5,880.90/x
  3. Step 3: Cross multiply
    15,114.90x = 22,672.35 × 5,880.90
  4. Step 4: Simplify right side
    15,114.90x = 133,333,823.12
  5. Step 5: Solve for x
    x = 133,333,823.12/15,114.90
  6. Step 6: Final answer
    x = 8,821.35

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1.5x scale

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.