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Finding the Fourth Proportional to 7,251.15, 10,804.74 and 6,898.53

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Solution

The fourth proportional to 7,251.15, 10,804.74 and 6,898.53 is: 10,279.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,251.15 : 10,804.74 = 6,898.53 : x
  2. Step 2: Convert to fraction form
    7,251.15/10,804.74 = 6,898.53/x
  3. Step 3: Cross multiply
    7,251.15x = 10,804.74 × 6,898.53
  4. Step 4: Simplify right side
    7,251.15x = 74,536,823.03
  5. Step 5: Solve for x
    x = 74,536,823.03/7,251.15
  6. Step 6: Final answer
    x = 10,279.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.