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Finding the Fourth Proportional to 22,899.40, 34,348.98 and 7,316.68

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Solution

The fourth proportional to 22,899.40, 34,348.98 and 7,316.68 is: 10,974.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,899.40 : 34,348.98 = 7,316.68 : x
  2. Step 2: Convert to fraction form
    22,899.40/34,348.98 = 7,316.68/x
  3. Step 3: Cross multiply
    22,899.40x = 34,348.98 × 7,316.68
  4. Step 4: Simplify right side
    22,899.40x = 251,320,494.99
  5. Step 5: Solve for x
    x = 251,320,494.99/22,899.40
  6. Step 6: Final answer
    x = 10,974.98

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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.