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Finding the Fourth Proportional to 15,346.20, 23,019.30 and 15,200.40

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Solution

The fourth proportional to 15,346.20, 23,019.30 and 15,200.40 is: 22,800.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,346.20 : 23,019.30 = 15,200.40 : x
  2. Step 2: Convert to fraction form
    15,346.20/23,019.30 = 15,200.40/x
  3. Step 3: Cross multiply
    15,346.20x = 23,019.30 × 15,200.40
  4. Step 4: Simplify right side
    15,346.20x = 349,902,567.72
  5. Step 5: Solve for x
    x = 349,902,567.72/15,346.20
  6. Step 6: Final answer
    x = 22,800.60

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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.