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Finding the Fourth Proportional to 9,574.65, 14,364.51 and 4,379.31

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Solution

The fourth proportional to 9,574.65, 14,364.51 and 4,379.31 is: 6,570.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,574.65 : 14,364.51 = 4,379.31 : x
  2. Step 2: Convert to fraction form
    9,574.65/14,364.51 = 4,379.31/x
  3. Step 3: Cross multiply
    9,574.65x = 14,364.51 × 4,379.31
  4. Step 4: Simplify right side
    9,574.65x = 62,906,678.20
  5. Step 5: Solve for x
    x = 62,906,678.20/9,574.65
  6. Step 6: Final answer
    x = 6,570.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.