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Finding the Fourth Proportional to 28,306.93, 42,460.24 and 7,246.93

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Solution

The fourth proportional to 28,306.93, 42,460.24 and 7,246.93 is: 10,870.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,306.93 : 42,460.24 = 7,246.93 : x
  2. Step 2: Convert to fraction form
    28,306.93/42,460.24 = 7,246.93/x
  3. Step 3: Cross multiply
    28,306.93x = 42,460.24 × 7,246.93
  4. Step 4: Simplify right side
    28,306.93x = 307,706,387.06
  5. Step 5: Solve for x
    x = 307,706,387.06/28,306.93
  6. Step 6: Final answer
    x = 10,870.36

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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.