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Finding the Fourth Proportional to 18,275.48, 27,393.96 and 10,368.08

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Solution

The fourth proportional to 18,275.48, 27,393.96 and 10,368.08 is: 15,541.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,275.48 : 27,393.96 = 10,368.08 : x
  2. Step 2: Convert to fraction form
    18,275.48/27,393.96 = 10,368.08/x
  3. Step 3: Cross multiply
    18,275.48x = 27,393.96 × 10,368.08
  4. Step 4: Simplify right side
    18,275.48x = 284,022,768.80
  5. Step 5: Solve for x
    x = 284,022,768.80/18,275.48
  6. Step 6: Final answer
    x = 15,541.19

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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.