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Finding the Fourth Proportional to 67,701.70, 93,398.93 and 40,829.27

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Solution

The fourth proportional to 67,701.70, 93,398.93 and 40,829.27 is: 56,326.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,701.70 : 93,398.93 = 40,829.27 : x
  2. Step 2: Convert to fraction form
    67,701.70/93,398.93 = 40,829.27/x
  3. Step 3: Cross multiply
    67,701.70x = 93,398.93 × 40,829.27
  4. Step 4: Simplify right side
    67,701.70x = 3,813,410,130.68
  5. Step 5: Solve for x
    x = 3,813,410,130.68/67,701.70
  6. Step 6: Final answer
    x = 56,326.65

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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.