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Finding the Fourth Proportional to 4,893.68, 7,341.43 and 1,607.71

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Solution

The fourth proportional to 4,893.68, 7,341.43 and 1,607.71 is: 2,411.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,893.68 : 7,341.43 = 1,607.71 : x
  2. Step 2: Convert to fraction form
    4,893.68/7,341.43 = 1,607.71/x
  3. Step 3: Cross multiply
    4,893.68x = 7,341.43 × 1,607.71
  4. Step 4: Simplify right side
    4,893.68x = 11,802,890.43
  5. Step 5: Solve for x
    x = 11,802,890.43/4,893.68
  6. Step 6: Final answer
    x = 2,411.86

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1.5x scale

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.