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Finding the Fourth Proportional to 7,655.07, 10,554.75 and 5,954.07

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Solution

The fourth proportional to 7,655.07, 10,554.75 and 5,954.07 is: 8,209.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,655.07 : 10,554.75 = 5,954.07 : x
  2. Step 2: Convert to fraction form
    7,655.07/10,554.75 = 5,954.07/x
  3. Step 3: Cross multiply
    7,655.07x = 10,554.75 × 5,954.07
  4. Step 4: Simplify right side
    7,655.07x = 62,843,720.33
  5. Step 5: Solve for x
    x = 62,843,720.33/7,655.07
  6. Step 6: Final answer
    x = 8,209.42

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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.