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Finding the Fourth Proportional to 27,903.90, 41,904.45 and 27,029.10

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Solution

The fourth proportional to 27,903.90, 41,904.45 and 27,029.10 is: 40,590.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,903.90 : 41,904.45 = 27,029.10 : x
  2. Step 2: Convert to fraction form
    27,903.90/41,904.45 = 27,029.10/x
  3. Step 3: Cross multiply
    27,903.90x = 41,904.45 × 27,029.10
  4. Step 4: Simplify right side
    27,903.90x = 1,132,639,569.50
  5. Step 5: Solve for x
    x = 1,132,639,569.50/27,903.90
  6. Step 6: Final answer
    x = 40,590.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.