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Finding the Fourth Proportional to 4,998.61, 7,495.57 and 1,487.32

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Solution

The fourth proportional to 4,998.61, 7,495.57 and 1,487.32 is: 2,230.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,998.61 : 7,495.57 = 1,487.32 : x
  2. Step 2: Convert to fraction form
    4,998.61/7,495.57 = 1,487.32/x
  3. Step 3: Cross multiply
    4,998.61x = 7,495.57 × 1,487.32
  4. Step 4: Simplify right side
    4,998.61x = 11,148,311.17
  5. Step 5: Solve for x
    x = 11,148,311.17/4,998.61
  6. Step 6: Final answer
    x = 2,230.28

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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.