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Finding the Fourth Proportional to 50,758.65, 70,046.08 and 28,097.15

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Solution

The fourth proportional to 50,758.65, 70,046.08 and 28,097.15 is: 38,773.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,758.65 : 70,046.08 = 28,097.15 : x
  2. Step 2: Convert to fraction form
    50,758.65/70,046.08 = 28,097.15/x
  3. Step 3: Cross multiply
    50,758.65x = 70,046.08 × 28,097.15
  4. Step 4: Simplify right side
    50,758.65x = 1,968,095,216.67
  5. Step 5: Solve for x
    x = 1,968,095,216.67/50,758.65
  6. Step 6: Final answer
    x = 38,773.59

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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.