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Finding the Fourth Proportional to 27,603.92, 38,055.13 and 18,637.22

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Solution

The fourth proportional to 27,603.92, 38,055.13 and 18,637.22 is: 25,693.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,603.92 : 38,055.13 = 18,637.22 : x
  2. Step 2: Convert to fraction form
    27,603.92/38,055.13 = 18,637.22/x
  3. Step 3: Cross multiply
    27,603.92x = 38,055.13 × 18,637.22
  4. Step 4: Simplify right side
    27,603.92x = 709,241,878.48
  5. Step 5: Solve for x
    x = 709,241,878.48/27,603.92
  6. Step 6: Final answer
    x = 25,693.52

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Half scale
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Double scale
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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.