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Finding the Fourth Proportional to 5,970.99, 8,218.22 and 5,258.17

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Solution

The fourth proportional to 5,970.99, 8,218.22 and 5,258.17 is: 7,237.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,970.99 : 8,218.22 = 5,258.17 : x
  2. Step 2: Convert to fraction form
    5,970.99/8,218.22 = 5,258.17/x
  3. Step 3: Cross multiply
    5,970.99x = 8,218.22 × 5,258.17
  4. Step 4: Simplify right side
    5,970.99x = 43,212,788.30
  5. Step 5: Solve for x
    x = 43,212,788.30/5,970.99
  6. Step 6: Final answer
    x = 7,237.12

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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.