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Finding the Fourth Proportional to 15,314.33, 22,959.95 and 7,818.99

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Solution

The fourth proportional to 15,314.33, 22,959.95 and 7,818.99 is: 11,722.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,314.33 : 22,959.95 = 7,818.99 : x
  2. Step 2: Convert to fraction form
    15,314.33/22,959.95 = 7,818.99/x
  3. Step 3: Cross multiply
    15,314.33x = 22,959.95 × 7,818.99
  4. Step 4: Simplify right side
    15,314.33x = 179,523,580.36
  5. Step 5: Solve for x
    x = 179,523,580.36/15,314.33
  6. Step 6: Final answer
    x = 11,722.59

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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.