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Finding the Fourth Proportional to 47,045.70, 70,568.55 and 44,858.70

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Solution

The fourth proportional to 47,045.70, 70,568.55 and 44,858.70 is: 67,288.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,045.70 : 70,568.55 = 44,858.70 : x
  2. Step 2: Convert to fraction form
    47,045.70/70,568.55 = 44,858.70/x
  3. Step 3: Cross multiply
    47,045.70x = 70,568.55 × 44,858.70
  4. Step 4: Simplify right side
    47,045.70x = 3,165,613,413.89
  5. Step 5: Solve for x
    x = 3,165,613,413.89/47,045.70
  6. Step 6: Final answer
    x = 67,288.05

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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.