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Finding the Fourth Proportional to 26,719.71, 40,085.03 and 9,187.26

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Solution

The fourth proportional to 26,719.71, 40,085.03 and 9,187.26 is: 13,782.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,719.71 : 40,085.03 = 9,187.26 : x
  2. Step 2: Convert to fraction form
    26,719.71/40,085.03 = 9,187.26/x
  3. Step 3: Cross multiply
    26,719.71x = 40,085.03 × 9,187.26
  4. Step 4: Simplify right side
    26,719.71x = 368,271,592.72
  5. Step 5: Solve for x
    x = 368,271,592.72/26,719.71
  6. Step 6: Final answer
    x = 13,782.77

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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.