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Finding the Fourth Proportional to 3,010.70, 4,509.02 and 2,927.66

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Solution

The fourth proportional to 3,010.70, 4,509.02 and 2,927.66 is: 4,384.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,010.70 : 4,509.02 = 2,927.66 : x
  2. Step 2: Convert to fraction form
    3,010.70/4,509.02 = 2,927.66/x
  3. Step 3: Cross multiply
    3,010.70x = 4,509.02 × 2,927.66
  4. Step 4: Simplify right side
    3,010.70x = 13,200,877.49
  5. Step 5: Solve for x
    x = 13,200,877.49/3,010.70
  6. Step 6: Final answer
    x = 4,384.65

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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.