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Finding the Fourth Proportional to 68,533.92, 94,549.05 and 45,574.74

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Solution

The fourth proportional to 68,533.92, 94,549.05 and 45,574.74 is: 62,874.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,533.92 : 94,549.05 = 45,574.74 : x
  2. Step 2: Convert to fraction form
    68,533.92/94,549.05 = 45,574.74/x
  3. Step 3: Cross multiply
    68,533.92x = 94,549.05 × 45,574.74
  4. Step 4: Simplify right side
    68,533.92x = 4,309,048,371.00
  5. Step 5: Solve for x
    x = 4,309,048,371.00/68,533.92
  6. Step 6: Final answer
    x = 62,874.68

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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.