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Finding the Fourth Proportional to 8,900.01, 13,284.80 and 7,849.08

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Solution

The fourth proportional to 8,900.01, 13,284.80 and 7,849.08 is: 11,716.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,900.01 : 13,284.80 = 7,849.08 : x
  2. Step 2: Convert to fraction form
    8,900.01/13,284.80 = 7,849.08/x
  3. Step 3: Cross multiply
    8,900.01x = 13,284.80 × 7,849.08
  4. Step 4: Simplify right side
    8,900.01x = 104,273,448.17
  5. Step 5: Solve for x
    x = 104,273,448.17/8,900.01
  6. Step 6: Final answer
    x = 11,716.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.