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Finding the Fourth Proportional to 12,356.13, 18,532.22 and 4,036.07

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Solution

The fourth proportional to 12,356.13, 18,532.22 and 4,036.07 is: 6,053.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,356.13 : 18,532.22 = 4,036.07 : x
  2. Step 2: Convert to fraction form
    12,356.13/18,532.22 = 4,036.07/x
  3. Step 3: Cross multiply
    12,356.13x = 18,532.22 × 4,036.07
  4. Step 4: Simplify right side
    12,356.13x = 74,797,337.18
  5. Step 5: Solve for x
    x = 74,797,337.18/12,356.13
  6. Step 6: Final answer
    x = 6,053.46

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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.