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Finding the Fourth Proportional to 15,335.67, 23,003.51 and 4,947.42

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Solution

The fourth proportional to 15,335.67, 23,003.51 and 4,947.42 is: 7,421.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,335.67 : 23,003.51 = 4,947.42 : x
  2. Step 2: Convert to fraction form
    15,335.67/23,003.51 = 4,947.42/x
  3. Step 3: Cross multiply
    15,335.67x = 23,003.51 × 4,947.42
  4. Step 4: Simplify right side
    15,335.67x = 113,808,000.71
  5. Step 5: Solve for x
    x = 113,808,000.71/15,335.67
  6. Step 6: Final answer
    x = 7,421.13

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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.