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Finding the Fourth Proportional to 8,995.59, 13,486.64 and 6,214.32

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Solution

The fourth proportional to 8,995.59, 13,486.64 and 6,214.32 is: 9,316.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,995.59 : 13,486.64 = 6,214.32 : x
  2. Step 2: Convert to fraction form
    8,995.59/13,486.64 = 6,214.32/x
  3. Step 3: Cross multiply
    8,995.59x = 13,486.64 × 6,214.32
  4. Step 4: Simplify right side
    8,995.59x = 83,810,265.61
  5. Step 5: Solve for x
    x = 83,810,265.61/8,995.59
  6. Step 6: Final answer
    x = 9,316.82

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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.