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Finding the Fourth Proportional to 74,019.60, 111,005.10 and 27,266.40

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Solution

The fourth proportional to 74,019.60, 111,005.10 and 27,266.40 is: 40,890.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,019.60 : 111,005.10 = 27,266.40 : x
  2. Step 2: Convert to fraction form
    74,019.60/111,005.10 = 27,266.40/x
  3. Step 3: Cross multiply
    74,019.60x = 111,005.10 × 27,266.40
  4. Step 4: Simplify right side
    74,019.60x = 3,026,709,458.64
  5. Step 5: Solve for x
    x = 3,026,709,458.64/74,019.60
  6. Step 6: Final answer
    x = 40,890.65

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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.