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Finding the Fourth Proportional to 2,007.85, 3,008.53 and 1,030.99

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Solution

The fourth proportional to 2,007.85, 3,008.53 and 1,030.99 is: 1,544.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,007.85 : 3,008.53 = 1,030.99 : x
  2. Step 2: Convert to fraction form
    2,007.85/3,008.53 = 1,030.99/x
  3. Step 3: Cross multiply
    2,007.85x = 3,008.53 × 1,030.99
  4. Step 4: Simplify right side
    2,007.85x = 3,101,764.34
  5. Step 5: Solve for x
    x = 3,101,764.34/2,007.85
  6. Step 6: Final answer
    x = 1,544.82

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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.