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Finding the Fourth Proportional to 5,887.70, 8,845.95 and 4,429.70

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Solution

The fourth proportional to 5,887.70, 8,845.95 and 4,429.70 is: 6,655.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,887.70 : 8,845.95 = 4,429.70 : x
  2. Step 2: Convert to fraction form
    5,887.70/8,845.95 = 4,429.70/x
  3. Step 3: Cross multiply
    5,887.70x = 8,845.95 × 4,429.70
  4. Step 4: Simplify right side
    5,887.70x = 39,184,904.72
  5. Step 5: Solve for x
    x = 39,184,904.72/5,887.70
  6. Step 6: Final answer
    x = 6,655.38

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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.