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Finding the Fourth Proportional to 7,347.26, 10,159.18 and 7,228.58

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Solution

The fourth proportional to 7,347.26, 10,159.18 and 7,228.58 is: 9,995.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,347.26 : 10,159.18 = 7,228.58 : x
  2. Step 2: Convert to fraction form
    7,347.26/10,159.18 = 7,228.58/x
  3. Step 3: Cross multiply
    7,347.26x = 10,159.18 × 7,228.58
  4. Step 4: Simplify right side
    7,347.26x = 73,436,445.36
  5. Step 5: Solve for x
    x = 73,436,445.36/7,347.26
  6. Step 6: Final answer
    x = 9,995.08

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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.