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Finding the Fourth Proportional to 8,597.62, 11,864.47 and 4,820.95

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Solution

The fourth proportional to 8,597.62, 11,864.47 and 4,820.95 is: 6,652.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,597.62 : 11,864.47 = 4,820.95 : x
  2. Step 2: Convert to fraction form
    8,597.62/11,864.47 = 4,820.95/x
  3. Step 3: Cross multiply
    8,597.62x = 11,864.47 × 4,820.95
  4. Step 4: Simplify right side
    8,597.62x = 57,198,016.65
  5. Step 5: Solve for x
    x = 57,198,016.65/8,597.62
  6. Step 6: Final answer
    x = 6,652.77

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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.