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Finding the Fourth Proportional to 8,927.25, 12,314.48 and 5,568.45

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Solution

The fourth proportional to 8,927.25, 12,314.48 and 5,568.45 is: 7,681.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,927.25 : 12,314.48 = 5,568.45 : x
  2. Step 2: Convert to fraction form
    8,927.25/12,314.48 = 5,568.45/x
  3. Step 3: Cross multiply
    8,927.25x = 12,314.48 × 5,568.45
  4. Step 4: Simplify right side
    8,927.25x = 68,572,538.31
  5. Step 5: Solve for x
    x = 68,572,538.31/8,927.25
  6. Step 6: Final answer
    x = 7,681.26

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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.