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Finding the Fourth Proportional to 12,345.26, 17,036.06 and 6,756.26

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Solution

The fourth proportional to 12,345.26, 17,036.06 and 6,756.26 is: 9,323.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,345.26 : 17,036.06 = 6,756.26 : x
  2. Step 2: Convert to fraction form
    12,345.26/17,036.06 = 6,756.26/x
  3. Step 3: Cross multiply
    12,345.26x = 17,036.06 × 6,756.26
  4. Step 4: Simplify right side
    12,345.26x = 115,100,050.74
  5. Step 5: Solve for x
    x = 115,100,050.74/12,345.26
  6. Step 6: Final answer
    x = 9,323.42

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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.