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Finding the Fourth Proportional to 15,117.10, 22,648.65 and 7,308.70

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Solution

The fourth proportional to 15,117.10, 22,648.65 and 7,308.70 is: 10,950.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,117.10 : 22,648.65 = 7,308.70 : x
  2. Step 2: Convert to fraction form
    15,117.10/22,648.65 = 7,308.70/x
  3. Step 3: Cross multiply
    15,117.10x = 22,648.65 × 7,308.70
  4. Step 4: Simplify right side
    15,117.10x = 165,532,188.26
  5. Step 5: Solve for x
    x = 165,532,188.26/15,117.10
  6. Step 6: Final answer
    x = 10,950.00

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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.