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Finding the Fourth Proportional to 25,364.48, 34,923.48 and 23,031.68

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Solution

The fourth proportional to 25,364.48, 34,923.48 and 23,031.68 is: 31,711.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,364.48 : 34,923.48 = 23,031.68 : x
  2. Step 2: Convert to fraction form
    25,364.48/34,923.48 = 23,031.68/x
  3. Step 3: Cross multiply
    25,364.48x = 34,923.48 × 23,031.68
  4. Step 4: Simplify right side
    25,364.48x = 804,346,415.85
  5. Step 5: Solve for x
    x = 804,346,415.85/25,364.48
  6. Step 6: Final answer
    x = 31,711.53

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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.