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Finding the Fourth Proportional to 22,697.52, 31,325.16 and 13,265.52

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Solution

The fourth proportional to 22,697.52, 31,325.16 and 13,265.52 is: 18,307.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,697.52 : 31,325.16 = 13,265.52 : x
  2. Step 2: Convert to fraction form
    22,697.52/31,325.16 = 13,265.52/x
  3. Step 3: Cross multiply
    22,697.52x = 31,325.16 × 13,265.52
  4. Step 4: Simplify right side
    22,697.52x = 415,544,536.48
  5. Step 5: Solve for x
    x = 415,544,536.48/22,697.52
  6. Step 6: Final answer
    x = 18,307.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.