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Finding the Fourth Proportional to 2,044.10, 3,065.48 and 657.11

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Solution

The fourth proportional to 2,044.10, 3,065.48 and 657.11 is: 985.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,044.10 : 3,065.48 = 657.11 : x
  2. Step 2: Convert to fraction form
    2,044.10/3,065.48 = 657.11/x
  3. Step 3: Cross multiply
    2,044.10x = 3,065.48 × 657.11
  4. Step 4: Simplify right side
    2,044.10x = 2,014,364.41
  5. Step 5: Solve for x
    x = 2,014,364.41/2,044.10
  6. Step 6: Final answer
    x = 985.45

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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.