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Finding the Fourth Proportional to 48,530.76, 66,935.04 and 42,552.42

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Solution

The fourth proportional to 48,530.76, 66,935.04 and 42,552.42 is: 58,689.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,530.76 : 66,935.04 = 42,552.42 : x
  2. Step 2: Convert to fraction form
    48,530.76/66,935.04 = 42,552.42/x
  3. Step 3: Cross multiply
    48,530.76x = 66,935.04 × 42,552.42
  4. Step 4: Simplify right side
    48,530.76x = 2,848,247,934.80
  5. Step 5: Solve for x
    x = 2,848,247,934.80/48,530.76
  6. Step 6: Final answer
    x = 58,689.54

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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.