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Finding the Fourth Proportional to 5,407.98, 7,461.45 and 3,522.33

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Solution

The fourth proportional to 5,407.98, 7,461.45 and 3,522.33 is: 4,859.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,407.98 : 7,461.45 = 3,522.33 : x
  2. Step 2: Convert to fraction form
    5,407.98/7,461.45 = 3,522.33/x
  3. Step 3: Cross multiply
    5,407.98x = 7,461.45 × 3,522.33
  4. Step 4: Simplify right side
    5,407.98x = 26,281,689.18
  5. Step 5: Solve for x
    x = 26,281,689.18/5,407.98
  6. Step 6: Final answer
    x = 4,859.80

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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.