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Finding the Fourth Proportional to 9,968.08, 13,756.08 and 5,775.52

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Solution

The fourth proportional to 9,968.08, 13,756.08 and 5,775.52 is: 7,970.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,968.08 : 13,756.08 = 5,775.52 : x
  2. Step 2: Convert to fraction form
    9,968.08/13,756.08 = 5,775.52/x
  3. Step 3: Cross multiply
    9,968.08x = 13,756.08 × 5,775.52
  4. Step 4: Simplify right side
    9,968.08x = 79,448,515.16
  5. Step 5: Solve for x
    x = 79,448,515.16/9,968.08
  6. Step 6: Final answer
    x = 7,970.29

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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.