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Finding the Fourth Proportional to 9,887.87, 14,835.47 and 4,624.59

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Solution

The fourth proportional to 9,887.87, 14,835.47 and 4,624.59 is: 6,938.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,887.87 : 14,835.47 = 4,624.59 : x
  2. Step 2: Convert to fraction form
    9,887.87/14,835.47 = 4,624.59/x
  3. Step 3: Cross multiply
    9,887.87x = 14,835.47 × 4,624.59
  4. Step 4: Simplify right side
    9,887.87x = 68,607,998.72
  5. Step 5: Solve for x
    x = 68,607,998.72/9,887.87
  6. Step 6: Final answer
    x = 6,938.60

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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.