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Finding the Fourth Proportional to 9,317.65, 12,858.65 and 5,069.02

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Solution

The fourth proportional to 9,317.65, 12,858.65 and 5,069.02 is: 6,995.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,317.65 : 12,858.65 = 5,069.02 : x
  2. Step 2: Convert to fraction form
    9,317.65/12,858.65 = 5,069.02/x
  3. Step 3: Cross multiply
    9,317.65x = 12,858.65 × 5,069.02
  4. Step 4: Simplify right side
    9,317.65x = 65,180,754.02
  5. Step 5: Solve for x
    x = 65,180,754.02/9,317.65
  6. Step 6: Final answer
    x = 6,995.41

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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.