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Finding the Fourth Proportional to 15,676.20, 23,653.95 and 15,068.64

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Solution

The fourth proportional to 15,676.20, 23,653.95 and 15,068.64 is: 22,737.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,676.20 : 23,653.95 = 15,068.64 : x
  2. Step 2: Convert to fraction form
    15,676.20/23,653.95 = 15,068.64/x
  3. Step 3: Cross multiply
    15,676.20x = 23,653.95 × 15,068.64
  4. Step 4: Simplify right side
    15,676.20x = 356,432,857.13
  5. Step 5: Solve for x
    x = 356,432,857.13/15,676.20
  6. Step 6: Final answer
    x = 22,737.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.