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Finding the Fourth Proportional to 74,902.77, 112,341.78 and 22,299.93

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Solution

The fourth proportional to 74,902.77, 112,341.78 and 22,299.93 is: 33,446.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,902.77 : 112,341.78 = 22,299.93 : x
  2. Step 2: Convert to fraction form
    74,902.77/112,341.78 = 22,299.93/x
  3. Step 3: Cross multiply
    74,902.77x = 112,341.78 × 22,299.93
  4. Step 4: Simplify right side
    74,902.77x = 2,505,213,830.08
  5. Step 5: Solve for x
    x = 2,505,213,830.08/74,902.77
  6. Step 6: Final answer
    x = 33,446.21

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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.