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Finding the Fourth Proportional to 4,661.01, 6,431.54 and 2,671.65

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Solution

The fourth proportional to 4,661.01, 6,431.54 and 2,671.65 is: 3,686.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,661.01 : 6,431.54 = 2,671.65 : x
  2. Step 2: Convert to fraction form
    4,661.01/6,431.54 = 2,671.65/x
  3. Step 3: Cross multiply
    4,661.01x = 6,431.54 × 2,671.65
  4. Step 4: Simplify right side
    4,661.01x = 17,182,810.48
  5. Step 5: Solve for x
    x = 17,182,810.48/4,661.01
  6. Step 6: Final answer
    x = 3,686.50

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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.