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Finding the Fourth Proportional to 4,398.70, 6,070.12 and 2,409.22

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Solution

The fourth proportional to 4,398.70, 6,070.12 and 2,409.22 is: 3,324.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,398.70 : 6,070.12 = 2,409.22 : x
  2. Step 2: Convert to fraction form
    4,398.70/6,070.12 = 2,409.22/x
  3. Step 3: Cross multiply
    4,398.70x = 6,070.12 × 2,409.22
  4. Step 4: Simplify right side
    4,398.70x = 14,624,254.51
  5. Step 5: Solve for x
    x = 14,624,254.51/4,398.70
  6. Step 6: Final answer
    x = 3,324.68

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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.