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Finding the Fourth Proportional to 15,913.50, 23,702.16 and 15,080.82

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Solution

The fourth proportional to 15,913.50, 23,702.16 and 15,080.82 is: 22,461.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,913.50 : 23,702.16 = 15,080.82 : x
  2. Step 2: Convert to fraction form
    15,913.50/23,702.16 = 15,080.82/x
  3. Step 3: Cross multiply
    15,913.50x = 23,702.16 × 15,080.82
  4. Step 4: Simplify right side
    15,913.50x = 357,448,008.57
  5. Step 5: Solve for x
    x = 357,448,008.57/15,913.50
  6. Step 6: Final answer
    x = 22,461.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.