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Finding the Fourth Proportional to 3,058.87, 4,587.69 and 867.01

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Solution

The fourth proportional to 3,058.87, 4,587.69 and 867.01 is: 1,300.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,058.87 : 4,587.69 = 867.01 : x
  2. Step 2: Convert to fraction form
    3,058.87/4,587.69 = 867.01/x
  3. Step 3: Cross multiply
    3,058.87x = 4,587.69 × 867.01
  4. Step 4: Simplify right side
    3,058.87x = 3,977,573.11
  5. Step 5: Solve for x
    x = 3,977,573.11/3,058.87
  6. Step 6: Final answer
    x = 1,300.34

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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.