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Finding the Fourth Proportional to 8,759.68, 13,133.04 and 5,296.16

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Solution

The fourth proportional to 8,759.68, 13,133.04 and 5,296.16 is: 7,940.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,759.68 : 13,133.04 = 5,296.16 : x
  2. Step 2: Convert to fraction form
    8,759.68/13,133.04 = 5,296.16/x
  3. Step 3: Cross multiply
    8,759.68x = 13,133.04 × 5,296.16
  4. Step 4: Simplify right side
    8,759.68x = 69,554,681.13
  5. Step 5: Solve for x
    x = 69,554,681.13/8,759.68
  6. Step 6: Final answer
    x = 7,940.32

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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.