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Finding the Fourth Proportional to 8,017.51, 11,064.81 and 4,432.79

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Solution

The fourth proportional to 8,017.51, 11,064.81 and 4,432.79 is: 6,117.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,017.51 : 11,064.81 = 4,432.79 : x
  2. Step 2: Convert to fraction form
    8,017.51/11,064.81 = 4,432.79/x
  3. Step 3: Cross multiply
    8,017.51x = 11,064.81 × 4,432.79
  4. Step 4: Simplify right side
    8,017.51x = 49,047,979.12
  5. Step 5: Solve for x
    x = 49,047,979.12/8,017.51
  6. Step 6: Final answer
    x = 6,117.61

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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.