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Finding the Fourth Proportional to 49,772.65, 74,670.04 and 18,182.65

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Solution

The fourth proportional to 49,772.65, 74,670.04 and 18,182.65 is: 27,278.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,772.65 : 74,670.04 = 18,182.65 : x
  2. Step 2: Convert to fraction form
    49,772.65/74,670.04 = 18,182.65/x
  3. Step 3: Cross multiply
    49,772.65x = 74,670.04 × 18,182.65
  4. Step 4: Simplify right side
    49,772.65x = 1,357,699,202.81
  5. Step 5: Solve for x
    x = 1,357,699,202.81/49,772.65
  6. Step 6: Final answer
    x = 27,278.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.