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Finding the Fourth Proportional to 38,754.86, 53,482.48 and 30,266.87

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Solution

The fourth proportional to 38,754.86, 53,482.48 and 30,266.87 is: 41,768.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,754.86 : 53,482.48 = 30,266.87 : x
  2. Step 2: Convert to fraction form
    38,754.86/53,482.48 = 30,266.87/x
  3. Step 3: Cross multiply
    38,754.86x = 53,482.48 × 30,266.87
  4. Step 4: Simplify right side
    38,754.86x = 1,618,746,926.36
  5. Step 5: Solve for x
    x = 1,618,746,926.36/38,754.86
  6. Step 6: Final answer
    x = 41,768.88

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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.