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Finding the Fourth Proportional to 15,244.90, 22,822.80 and 10,870.90

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Solution

The fourth proportional to 15,244.90, 22,822.80 and 10,870.90 is: 16,274.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,244.90 : 22,822.80 = 10,870.90 : x
  2. Step 2: Convert to fraction form
    15,244.90/22,822.80 = 10,870.90/x
  3. Step 3: Cross multiply
    15,244.90x = 22,822.80 × 10,870.90
  4. Step 4: Simplify right side
    15,244.90x = 248,104,376.52
  5. Step 5: Solve for x
    x = 248,104,376.52/15,244.90
  6. Step 6: Final answer
    x = 16,274.58

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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.