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Finding the Fourth Proportional to 18,095.78, 24,973.56 and 10,440.42

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Solution

The fourth proportional to 18,095.78, 24,973.56 and 10,440.42 is: 14,408.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,095.78 : 24,973.56 = 10,440.42 : x
  2. Step 2: Convert to fraction form
    18,095.78/24,973.56 = 10,440.42/x
  3. Step 3: Cross multiply
    18,095.78x = 24,973.56 × 10,440.42
  4. Step 4: Simplify right side
    18,095.78x = 260,734,478.58
  5. Step 5: Solve for x
    x = 260,734,478.58/18,095.78
  6. Step 6: Final answer
    x = 14,408.58

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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.