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Finding the Fourth Proportional to 8,999.10, 13,494.13 and 5,252.16

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Solution

The fourth proportional to 8,999.10, 13,494.13 and 5,252.16 is: 7,875.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,999.10 : 13,494.13 = 5,252.16 : x
  2. Step 2: Convert to fraction form
    8,999.10/13,494.13 = 5,252.16/x
  3. Step 3: Cross multiply
    8,999.10x = 13,494.13 × 5,252.16
  4. Step 4: Simplify right side
    8,999.10x = 70,873,329.82
  5. Step 5: Solve for x
    x = 70,873,329.82/8,999.10
  6. Step 6: Final answer
    x = 7,875.60

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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.