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Finding the Fourth Proportional to 4,887.58, 6,744.99 and 2,898.58

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Solution

The fourth proportional to 4,887.58, 6,744.99 and 2,898.58 is: 4,000.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,887.58 : 6,744.99 = 2,898.58 : x
  2. Step 2: Convert to fraction form
    4,887.58/6,744.99 = 2,898.58/x
  3. Step 3: Cross multiply
    4,887.58x = 6,744.99 × 2,898.58
  4. Step 4: Simplify right side
    4,887.58x = 19,550,893.11
  5. Step 5: Solve for x
    x = 19,550,893.11/4,887.58
  6. Step 6: Final answer
    x = 4,000.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.