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Finding the Fourth Proportional to 15,309.85, 22,958.87 and 5,948.64

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Solution

The fourth proportional to 15,309.85, 22,958.87 and 5,948.64 is: 8,920.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,309.85 : 22,958.87 = 5,948.64 : x
  2. Step 2: Convert to fraction form
    15,309.85/22,958.87 = 5,948.64/x
  3. Step 3: Cross multiply
    15,309.85x = 22,958.87 × 5,948.64
  4. Step 4: Simplify right side
    15,309.85x = 136,574,024.26
  5. Step 5: Solve for x
    x = 136,574,024.26/15,309.85
  6. Step 6: Final answer
    x = 8,920.66

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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.