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Finding the Fourth Proportional to 27,506.67, 37,959.29 and 14,931.42

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Solution

The fourth proportional to 27,506.67, 37,959.29 and 14,931.42 is: 20,605.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,506.67 : 37,959.29 = 14,931.42 : x
  2. Step 2: Convert to fraction form
    27,506.67/37,959.29 = 14,931.42/x
  3. Step 3: Cross multiply
    27,506.67x = 37,959.29 × 14,931.42
  4. Step 4: Simplify right side
    27,506.67x = 566,786,027.23
  5. Step 5: Solve for x
    x = 566,786,027.23/27,506.67
  6. Step 6: Final answer
    x = 20,605.40

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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.