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Finding the Fourth Proportional to 27,230.16, 40,848.08 and 7,508.72

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Solution

The fourth proportional to 27,230.16, 40,848.08 and 7,508.72 is: 11,263.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,230.16 : 40,848.08 = 7,508.72 : x
  2. Step 2: Convert to fraction form
    27,230.16/40,848.08 = 7,508.72/x
  3. Step 3: Cross multiply
    27,230.16x = 40,848.08 × 7,508.72
  4. Step 4: Simplify right side
    27,230.16x = 306,716,795.26
  5. Step 5: Solve for x
    x = 306,716,795.26/27,230.16
  6. Step 6: Final answer
    x = 11,263.86

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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.