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Finding the Fourth Proportional to 27,169, 37,555.98 and 22,666.48

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Solution

The fourth proportional to 27,169, 37,555.98 and 22,666.48 is: 31,332.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,169 : 37,555.98 = 22,666.48 : x
  2. Step 2: Convert to fraction form
    27,169/37,555.98 = 22,666.48/x
  3. Step 3: Cross multiply
    27,169x = 37,555.98 × 22,666.48
  4. Step 4: Simplify right side
    27,169x = 851,261,869.55
  5. Step 5: Solve for x
    x = 851,261,869.55/27,169
  6. Step 6: Final answer
    x = 31,332.10

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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.