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Finding the Fourth Proportional to 69,320, 104,026.08 and 25,544

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Solution

The fourth proportional to 69,320, 104,026.08 and 25,544 is: 38,332.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,320 : 104,026.08 = 25,544 : x
  2. Step 2: Convert to fraction form
    69,320/104,026.08 = 25,544/x
  3. Step 3: Cross multiply
    69,320x = 104,026.08 × 25,544
  4. Step 4: Simplify right side
    69,320x = 2,657,242,187.52
  5. Step 5: Solve for x
    x = 2,657,242,187.52/69,320
  6. Step 6: Final answer
    x = 38,332.98

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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.