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Finding the Fourth Proportional to 18,085.77, 24,957.79 and 10,019.10

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Solution

The fourth proportional to 18,085.77, 24,957.79 and 10,019.10 is: 13,826.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,085.77 : 24,957.79 = 10,019.10 : x
  2. Step 2: Convert to fraction form
    18,085.77/24,957.79 = 10,019.10/x
  3. Step 3: Cross multiply
    18,085.77x = 24,957.79 × 10,019.10
  4. Step 4: Simplify right side
    18,085.77x = 250,054,593.79
  5. Step 5: Solve for x
    x = 250,054,593.79/18,085.77
  6. Step 6: Final answer
    x = 13,826.04

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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.