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Finding the Fourth Proportional to 5,661.95, 8,480.54 and 4,013.51

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Solution

The fourth proportional to 5,661.95, 8,480.54 and 4,013.51 is: 6,011.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,661.95 : 8,480.54 = 4,013.51 : x
  2. Step 2: Convert to fraction form
    5,661.95/8,480.54 = 4,013.51/x
  3. Step 3: Cross multiply
    5,661.95x = 8,480.54 × 4,013.51
  4. Step 4: Simplify right side
    5,661.95x = 34,036,669.63
  5. Step 5: Solve for x
    x = 34,036,669.63/5,661.95
  6. Step 6: Final answer
    x = 6,011.48

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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.