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Finding the Fourth Proportional to 65,886.27, 90,923.12 and 35,671.62

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Solution

The fourth proportional to 65,886.27, 90,923.12 and 35,671.62 is: 49,226.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,886.27 : 90,923.12 = 35,671.62 : x
  2. Step 2: Convert to fraction form
    65,886.27/90,923.12 = 35,671.62/x
  3. Step 3: Cross multiply
    65,886.27x = 90,923.12 × 35,671.62
  4. Step 4: Simplify right side
    65,886.27x = 3,243,374,807.50
  5. Step 5: Solve for x
    x = 3,243,374,807.50/65,886.27
  6. Step 6: Final answer
    x = 49,226.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.