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Finding the Fourth Proportional to 4,492.86, 6,737.05 and 1,570.78

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Solution

The fourth proportional to 4,492.86, 6,737.05 and 1,570.78 is: 2,355.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,492.86 : 6,737.05 = 1,570.78 : x
  2. Step 2: Convert to fraction form
    4,492.86/6,737.05 = 1,570.78/x
  3. Step 3: Cross multiply
    4,492.86x = 6,737.05 × 1,570.78
  4. Step 4: Simplify right side
    4,492.86x = 10,582,423.40
  5. Step 5: Solve for x
    x = 10,582,423.40/4,492.86
  6. Step 6: Final answer
    x = 2,355.39

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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.