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Finding the Fourth Proportional to 67,798.94, 93,551.06 and 45,171.68

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Solution

The fourth proportional to 67,798.94, 93,551.06 and 45,171.68 is: 62,329.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,798.94 : 93,551.06 = 45,171.68 : x
  2. Step 2: Convert to fraction form
    67,798.94/93,551.06 = 45,171.68/x
  3. Step 3: Cross multiply
    67,798.94x = 93,551.06 × 45,171.68
  4. Step 4: Simplify right side
    67,798.94x = 4,225,858,320.12
  5. Step 5: Solve for x
    x = 4,225,858,320.12/67,798.94
  6. Step 6: Final answer
    x = 62,329.27

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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.