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Finding the Fourth Proportional to 15,043.74, 22,578.57 and 7,259.10

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Solution

The fourth proportional to 15,043.74, 22,578.57 and 7,259.10 is: 10,894.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,043.74 : 22,578.57 = 7,259.10 : x
  2. Step 2: Convert to fraction form
    15,043.74/22,578.57 = 7,259.10/x
  3. Step 3: Cross multiply
    15,043.74x = 22,578.57 × 7,259.10
  4. Step 4: Simplify right side
    15,043.74x = 163,900,097.49
  5. Step 5: Solve for x
    x = 163,900,097.49/15,043.74
  6. Step 6: Final answer
    x = 10,894.90

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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.