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Finding the Fourth Proportional to 18,448.74, 27,669.03 and 5,298.18

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Solution

The fourth proportional to 18,448.74, 27,669.03 and 5,298.18 is: 7,946.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,448.74 : 27,669.03 = 5,298.18 : x
  2. Step 2: Convert to fraction form
    18,448.74/27,669.03 = 5,298.18/x
  3. Step 3: Cross multiply
    18,448.74x = 27,669.03 × 5,298.18
  4. Step 4: Simplify right side
    18,448.74x = 146,595,501.37
  5. Step 5: Solve for x
    x = 146,595,501.37/18,448.74
  6. Step 6: Final answer
    x = 7,946.10

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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.