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Finding the Fourth Proportional to 15,903.62, 23,818.51 and 15,350.05

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Solution

The fourth proportional to 15,903.62, 23,818.51 and 15,350.05 is: 22,989.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,903.62 : 23,818.51 = 15,350.05 : x
  2. Step 2: Convert to fraction form
    15,903.62/23,818.51 = 15,350.05/x
  3. Step 3: Cross multiply
    15,903.62x = 23,818.51 × 15,350.05
  4. Step 4: Simplify right side
    15,903.62x = 365,615,319.43
  5. Step 5: Solve for x
    x = 365,615,319.43/15,903.62
  6. Step 6: Final answer
    x = 22,989.44

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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.