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Finding the Fourth Proportional to 6,959.36, 10,429.95 and 6,079.75

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Solution

The fourth proportional to 6,959.36, 10,429.95 and 6,079.75 is: 9,111.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,959.36 : 10,429.95 = 6,079.75 : x
  2. Step 2: Convert to fraction form
    6,959.36/10,429.95 = 6,079.75/x
  3. Step 3: Cross multiply
    6,959.36x = 10,429.95 × 6,079.75
  4. Step 4: Simplify right side
    6,959.36x = 63,411,436.36
  5. Step 5: Solve for x
    x = 63,411,436.36/6,959.36
  6. Step 6: Final answer
    x = 9,111.68

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1.5x scale

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.