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Finding the Fourth Proportional to 9,536, 13,159.70 and 5,345.08

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Solution

The fourth proportional to 9,536, 13,159.70 and 5,345.08 is: 7,376.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,536 : 13,159.70 = 5,345.08 : x
  2. Step 2: Convert to fraction form
    9,536/13,159.70 = 5,345.08/x
  3. Step 3: Cross multiply
    9,536x = 13,159.70 × 5,345.08
  4. Step 4: Simplify right side
    9,536x = 70,339,649.28
  5. Step 5: Solve for x
    x = 70,339,649.28/9,536
  6. Step 6: Final answer
    x = 7,376.22

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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.