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Finding the Fourth Proportional to 48,862.99, 67,431.05 and 26,506.99

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Solution

The fourth proportional to 48,862.99, 67,431.05 and 26,506.99 is: 36,579.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,862.99 : 67,431.05 = 26,506.99 : x
  2. Step 2: Convert to fraction form
    48,862.99/67,431.05 = 26,506.99/x
  3. Step 3: Cross multiply
    48,862.99x = 67,431.05 × 26,506.99
  4. Step 4: Simplify right side
    48,862.99x = 1,787,393,948.31
  5. Step 5: Solve for x
    x = 1,787,393,948.31/48,862.99
  6. Step 6: Final answer
    x = 36,579.71

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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.