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Finding the Fourth Proportional to 27,166, 37,477.20 and 19,215.04

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Solution

The fourth proportional to 27,166, 37,477.20 and 19,215.04 is: 26,508.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,166 : 37,477.20 = 19,215.04 : x
  2. Step 2: Convert to fraction form
    27,166/37,477.20 = 19,215.04/x
  3. Step 3: Cross multiply
    27,166x = 37,477.20 × 19,215.04
  4. Step 4: Simplify right side
    27,166x = 720,125,897.09
  5. Step 5: Solve for x
    x = 720,125,897.09/27,166
  6. Step 6: Final answer
    x = 26,508.35

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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.