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Finding the Fourth Proportional to 68,574.60, 94,632.30 and 38,359.58

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Solution

The fourth proportional to 68,574.60, 94,632.30 and 38,359.58 is: 52,935.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,574.60 : 94,632.30 = 38,359.58 : x
  2. Step 2: Convert to fraction form
    68,574.60/94,632.30 = 38,359.58/x
  3. Step 3: Cross multiply
    68,574.60x = 94,632.30 × 38,359.58
  4. Step 4: Simplify right side
    68,574.60x = 3,630,054,809.27
  5. Step 5: Solve for x
    x = 3,630,054,809.27/68,574.60
  6. Step 6: Final answer
    x = 52,935.85

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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.