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Finding the Fourth Proportional to 58,716.74, 88,074.80 and 14,343.74

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Solution

The fourth proportional to 58,716.74, 88,074.80 and 14,343.74 is: 21,515.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,716.74 : 88,074.80 = 14,343.74 : x
  2. Step 2: Convert to fraction form
    58,716.74/88,074.80 = 14,343.74/x
  3. Step 3: Cross multiply
    58,716.74x = 88,074.80 × 14,343.74
  4. Step 4: Simplify right side
    58,716.74x = 1,263,322,031.75
  5. Step 5: Solve for x
    x = 1,263,322,031.75/58,716.74
  6. Step 6: Final answer
    x = 21,515.53

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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.