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Finding the Fourth Proportional to 60,275, 90,412.50 and 23,339

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Solution

The fourth proportional to 60,275, 90,412.50 and 23,339 is: 35,008.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,275 : 90,412.50 = 23,339 : x
  2. Step 2: Convert to fraction form
    60,275/90,412.50 = 23,339/x
  3. Step 3: Cross multiply
    60,275x = 90,412.50 × 23,339
  4. Step 4: Simplify right side
    60,275x = 2,110,137,337.50
  5. Step 5: Solve for x
    x = 2,110,137,337.50/60,275
  6. Step 6: Final answer
    x = 35,008.50

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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.