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Finding the Fourth Proportional to 3,762.35, 5,641.59 and 1,570.49

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Solution

The fourth proportional to 3,762.35, 5,641.59 and 1,570.49 is: 2,354.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,762.35 : 5,641.59 = 1,570.49 : x
  2. Step 2: Convert to fraction form
    3,762.35/5,641.59 = 1,570.49/x
  3. Step 3: Cross multiply
    3,762.35x = 5,641.59 × 1,570.49
  4. Step 4: Simplify right side
    3,762.35x = 8,860,032.47
  5. Step 5: Solve for x
    x = 8,860,032.47/3,762.35
  6. Step 6: Final answer
    x = 2,354.92

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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.