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Finding the Fourth Proportional to 60,625.68, 90,879 and 29,026.80

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Solution

The fourth proportional to 60,625.68, 90,879 and 29,026.80 is: 43,511.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,625.68 : 90,879 = 29,026.80 : x
  2. Step 2: Convert to fraction form
    60,625.68/90,879 = 29,026.80/x
  3. Step 3: Cross multiply
    60,625.68x = 90,879 × 29,026.80
  4. Step 4: Simplify right side
    60,625.68x = 2,637,926,557.20
  5. Step 5: Solve for x
    x = 2,637,926,557.20/60,625.68
  6. Step 6: Final answer
    x = 43,511.70

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1.5x scale

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.