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Finding the Fourth Proportional to 4,492.86, 6,739.86 and 1,570.76

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Solution

The fourth proportional to 4,492.86, 6,739.86 and 1,570.76 is: 2,356.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,492.86 : 6,739.86 = 1,570.76 : x
  2. Step 2: Convert to fraction form
    4,492.86/6,739.86 = 1,570.76/x
  3. Step 3: Cross multiply
    4,492.86x = 6,739.86 × 1,570.76
  4. Step 4: Simplify right side
    4,492.86x = 10,586,702.49
  5. Step 5: Solve for x
    x = 10,586,702.49/4,492.86
  6. Step 6: Final answer
    x = 2,356.34

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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.