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Finding the Fourth Proportional to 5,887.96, 8,123.76 and 3,495.92

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Solution

The fourth proportional to 5,887.96, 8,123.76 and 3,495.92 is: 4,823.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,887.96 : 8,123.76 = 3,495.92 : x
  2. Step 2: Convert to fraction form
    5,887.96/8,123.76 = 3,495.92/x
  3. Step 3: Cross multiply
    5,887.96x = 8,123.76 × 3,495.92
  4. Step 4: Simplify right side
    5,887.96x = 28,400,015.06
  5. Step 5: Solve for x
    x = 28,400,015.06/5,887.96
  6. Step 6: Final answer
    x = 4,823.40

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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.