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Finding the Fourth Proportional to 3,886,294.00, 5,834,492.54 and 2,988,366.30

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Solution

The fourth proportional to 3,886,294.00, 5,834,492.54 and 2,988,366.30 is: 4,486,433.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,886,294.00 : 5,834,492.54 = 2,988,366.30 : x
  2. Step 2: Convert to fraction form
    3,886,294.00/5,834,492.54 = 2,988,366.30/x
  3. Step 3: Cross multiply
    3,886,294.00x = 5,834,492.54 × 2,988,366.30
  4. Step 4: Simplify right side
    3,886,294.00x = 17,435,600,891,341.62
  5. Step 5: Solve for x
    x = 17,435,600,891,341.62/3,886,294.00
  6. Step 6: Final answer
    x = 4,486,433.84

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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.