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Finding the Fourth Proportional to 50,641.66, 69,904.92 and 45,326.98

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Solution

The fourth proportional to 50,641.66, 69,904.92 and 45,326.98 is: 62,568.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,641.66 : 69,904.92 = 45,326.98 : x
  2. Step 2: Convert to fraction form
    50,641.66/69,904.92 = 45,326.98/x
  3. Step 3: Cross multiply
    50,641.66x = 69,904.92 × 45,326.98
  4. Step 4: Simplify right side
    50,641.66x = 3,168,578,910.74
  5. Step 5: Solve for x
    x = 3,168,578,910.74/50,641.66
  6. Step 6: Final answer
    x = 62,568.62

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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.