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Finding the Fourth Proportional to 46,693.92, 69,856.56 and 36,081.12

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Solution

The fourth proportional to 46,693.92, 69,856.56 and 36,081.12 is: 53,979.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,693.92 : 69,856.56 = 36,081.12 : x
  2. Step 2: Convert to fraction form
    46,693.92/69,856.56 = 36,081.12/x
  3. Step 3: Cross multiply
    46,693.92x = 69,856.56 × 36,081.12
  4. Step 4: Simplify right side
    46,693.92x = 2,520,502,924.15
  5. Step 5: Solve for x
    x = 2,520,502,924.15/46,693.92
  6. Step 6: Final answer
    x = 53,979.25

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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.