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Finding the Fourth Proportional to 12,510.51, 17,265.68 and 6,923.31

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Solution

The fourth proportional to 12,510.51, 17,265.68 and 6,923.31 is: 9,554.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,510.51 : 17,265.68 = 6,923.31 : x
  2. Step 2: Convert to fraction form
    12,510.51/17,265.68 = 6,923.31/x
  3. Step 3: Cross multiply
    12,510.51x = 17,265.68 × 6,923.31
  4. Step 4: Simplify right side
    12,510.51x = 119,535,620.38
  5. Step 5: Solve for x
    x = 119,535,620.38/12,510.51
  6. Step 6: Final answer
    x = 9,554.82

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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.