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Finding the Fourth Proportional to 4,421, 6,101.02 and 2,431.50

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Solution

The fourth proportional to 4,421, 6,101.02 and 2,431.50 is: 3,355.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,421 : 6,101.02 = 2,431.50 : x
  2. Step 2: Convert to fraction form
    4,421/6,101.02 = 2,431.50/x
  3. Step 3: Cross multiply
    4,421x = 6,101.02 × 2,431.50
  4. Step 4: Simplify right side
    4,421x = 14,834,630.13
  5. Step 5: Solve for x
    x = 14,834,630.13/4,421
  6. Step 6: Final answer
    x = 3,355.49

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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.