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Finding the Fourth Proportional to 8,723.04, 12,030.35 and 5,889.66

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Solution

The fourth proportional to 8,723.04, 12,030.35 and 5,889.66 is: 8,122.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,723.04 : 12,030.35 = 5,889.66 : x
  2. Step 2: Convert to fraction form
    8,723.04/12,030.35 = 5,889.66/x
  3. Step 3: Cross multiply
    8,723.04x = 12,030.35 × 5,889.66
  4. Step 4: Simplify right side
    8,723.04x = 70,854,671.18
  5. Step 5: Solve for x
    x = 70,854,671.18/8,723.04
  6. Step 6: Final answer
    x = 8,122.70

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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.