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Finding the Fourth Proportional to 15,165.68, 22,733.60 and 7,259.08

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Solution

The fourth proportional to 15,165.68, 22,733.60 and 7,259.08 is: 10,881.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,165.68 : 22,733.60 = 7,259.08 : x
  2. Step 2: Convert to fraction form
    15,165.68/22,733.60 = 7,259.08/x
  3. Step 3: Cross multiply
    15,165.68x = 22,733.60 × 7,259.08
  4. Step 4: Simplify right side
    15,165.68x = 165,025,021.09
  5. Step 5: Solve for x
    x = 165,025,021.09/15,165.68
  6. Step 6: Final answer
    x = 10,881.48

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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.