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Finding the Fourth Proportional to 18,472.50, 25,492.59 and 10,089.54

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Solution

The fourth proportional to 18,472.50, 25,492.59 and 10,089.54 is: 13,923.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,472.50 : 25,492.59 = 10,089.54 : x
  2. Step 2: Convert to fraction form
    18,472.50/25,492.59 = 10,089.54/x
  3. Step 3: Cross multiply
    18,472.50x = 25,492.59 × 10,089.54
  4. Step 4: Simplify right side
    18,472.50x = 257,208,506.51
  5. Step 5: Solve for x
    x = 257,208,506.51/18,472.50
  6. Step 6: Final answer
    x = 13,923.86

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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.