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Finding the Fourth Proportional to 18,007.65, 24,851.80 and 10,051.42

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Solution

The fourth proportional to 18,007.65, 24,851.80 and 10,051.42 is: 13,871.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,007.65 : 24,851.80 = 10,051.42 : x
  2. Step 2: Convert to fraction form
    18,007.65/24,851.80 = 10,051.42/x
  3. Step 3: Cross multiply
    18,007.65x = 24,851.80 × 10,051.42
  4. Step 4: Simplify right side
    18,007.65x = 249,795,879.56
  5. Step 5: Solve for x
    x = 249,795,879.56/18,007.65
  6. Step 6: Final answer
    x = 13,871.65

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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.