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Finding the Fourth Proportional to 49,609.76, 68,461.54 and 26,948.76

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Solution

The fourth proportional to 49,609.76, 68,461.54 and 26,948.76 is: 37,189.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,609.76 : 68,461.54 = 26,948.76 : x
  2. Step 2: Convert to fraction form
    49,609.76/68,461.54 = 26,948.76/x
  3. Step 3: Cross multiply
    49,609.76x = 68,461.54 × 26,948.76
  4. Step 4: Simplify right side
    49,609.76x = 1,844,953,268.38
  5. Step 5: Solve for x
    x = 1,844,953,268.38/49,609.76
  6. Step 6: Final answer
    x = 37,189.32

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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.