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Finding the Fourth Proportional to 4,927.74, 7,391.73 and 1,641.11

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Solution

The fourth proportional to 4,927.74, 7,391.73 and 1,641.11 is: 2,461.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,927.74 : 7,391.73 = 1,641.11 : x
  2. Step 2: Convert to fraction form
    4,927.74/7,391.73 = 1,641.11/x
  3. Step 3: Cross multiply
    4,927.74x = 7,391.73 × 1,641.11
  4. Step 4: Simplify right side
    4,927.74x = 12,130,605.06
  5. Step 5: Solve for x
    x = 12,130,605.06/4,927.74
  6. Step 6: Final answer
    x = 2,461.70

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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.