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Finding the Fourth Proportional to 5,801.09, 8,701.60 and 1,418.51

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Solution

The fourth proportional to 5,801.09, 8,701.60 and 1,418.51 is: 2,127.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,801.09 : 8,701.60 = 1,418.51 : x
  2. Step 2: Convert to fraction form
    5,801.09/8,701.60 = 1,418.51/x
  3. Step 3: Cross multiply
    5,801.09x = 8,701.60 × 1,418.51
  4. Step 4: Simplify right side
    5,801.09x = 12,343,331.47
  5. Step 5: Solve for x
    x = 12,343,331.47/5,801.09
  6. Step 6: Final answer
    x = 2,127.76

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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.