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Finding the Fourth Proportional to 66,693.92, 92,036.32 and 36,479.16

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Solution

The fourth proportional to 66,693.92, 92,036.32 and 36,479.16 is: 50,340.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,693.92 : 92,036.32 = 36,479.16 : x
  2. Step 2: Convert to fraction form
    66,693.92/92,036.32 = 36,479.16/x
  3. Step 3: Cross multiply
    66,693.92x = 92,036.32 × 36,479.16
  4. Step 4: Simplify right side
    66,693.92x = 3,357,407,643.09
  5. Step 5: Solve for x
    x = 3,357,407,643.09/66,693.92
  6. Step 6: Final answer
    x = 50,340.54

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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.