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Finding the Fourth Proportional to 18,461.52, 25,473.07 and 10,904.01

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Solution

The fourth proportional to 18,461.52, 25,473.07 and 10,904.01 is: 15,045.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,461.52 : 25,473.07 = 10,904.01 : x
  2. Step 2: Convert to fraction form
    18,461.52/25,473.07 = 10,904.01/x
  3. Step 3: Cross multiply
    18,461.52x = 25,473.07 × 10,904.01
  4. Step 4: Simplify right side
    18,461.52x = 277,758,610.01
  5. Step 5: Solve for x
    x = 277,758,610.01/18,461.52
  6. Step 6: Final answer
    x = 15,045.27

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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.