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Finding the Fourth Proportional to 15,998.76, 23,998.05 and 4,152.53

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Solution

The fourth proportional to 15,998.76, 23,998.05 and 4,152.53 is: 6,228.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,998.76 : 23,998.05 = 4,152.53 : x
  2. Step 2: Convert to fraction form
    15,998.76/23,998.05 = 4,152.53/x
  3. Step 3: Cross multiply
    15,998.76x = 23,998.05 × 4,152.53
  4. Step 4: Simplify right side
    15,998.76x = 99,652,502.58
  5. Step 5: Solve for x
    x = 99,652,502.58/15,998.76
  6. Step 6: Final answer
    x = 6,228.76

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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.