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Finding the Fourth Proportional to 56,293.80, 77,833.86 and 49,295.40

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Solution

The fourth proportional to 56,293.80, 77,833.86 and 49,295.40 is: 68,157.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,293.80 : 77,833.86 = 49,295.40 : x
  2. Step 2: Convert to fraction form
    56,293.80/77,833.86 = 49,295.40/x
  3. Step 3: Cross multiply
    56,293.80x = 77,833.86 × 49,295.40
  4. Step 4: Simplify right side
    56,293.80x = 3,836,851,262.24
  5. Step 5: Solve for x
    x = 3,836,851,262.24/56,293.80
  6. Step 6: Final answer
    x = 68,157.62

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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.