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Finding the Fourth Proportional to 74,612.94, 111,931.55 and 22,027.74

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Solution

The fourth proportional to 74,612.94, 111,931.55 and 22,027.74 is: 33,045.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,612.94 : 111,931.55 = 22,027.74 : x
  2. Step 2: Convert to fraction form
    74,612.94/111,931.55 = 22,027.74/x
  3. Step 3: Cross multiply
    74,612.94x = 111,931.55 × 22,027.74
  4. Step 4: Simplify right side
    74,612.94x = 2,465,599,081.20
  5. Step 5: Solve for x
    x = 2,465,599,081.20/74,612.94
  6. Step 6: Final answer
    x = 33,045.19

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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.