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Finding the Fourth Proportional to 26,307.68, 36,304.80 and 14,370.80

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Solution

The fourth proportional to 26,307.68, 36,304.80 and 14,370.80 is: 19,831.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,307.68 : 36,304.80 = 14,370.80 : x
  2. Step 2: Convert to fraction form
    26,307.68/36,304.80 = 14,370.80/x
  3. Step 3: Cross multiply
    26,307.68x = 36,304.80 × 14,370.80
  4. Step 4: Simplify right side
    26,307.68x = 521,729,019.84
  5. Step 5: Solve for x
    x = 521,729,019.84/26,307.68
  6. Step 6: Final answer
    x = 19,831.81

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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.