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Finding the Fourth Proportional to 15,346.70, 23,020.05 and 15,200.90

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Solution

The fourth proportional to 15,346.70, 23,020.05 and 15,200.90 is: 22,801.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,346.70 : 23,020.05 = 15,200.90 : x
  2. Step 2: Convert to fraction form
    15,346.70/23,020.05 = 15,200.90/x
  3. Step 3: Cross multiply
    15,346.70x = 23,020.05 × 15,200.90
  4. Step 4: Simplify right side
    15,346.70x = 349,925,478.05
  5. Step 5: Solve for x
    x = 349,925,478.05/15,346.70
  6. Step 6: Final answer
    x = 22,801.35

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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.