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Finding the Fourth Proportional to 14,887.83, 22,283.82 and 7,857.82

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Solution

The fourth proportional to 14,887.83, 22,283.82 and 7,857.82 is: 11,761.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,887.83 : 22,283.82 = 7,857.82 : x
  2. Step 2: Convert to fraction form
    14,887.83/22,283.82 = 7,857.82/x
  3. Step 3: Cross multiply
    14,887.83x = 22,283.82 × 7,857.82
  4. Step 4: Simplify right side
    14,887.83x = 175,102,316.71
  5. Step 5: Solve for x
    x = 175,102,316.71/14,887.83
  6. Step 6: Final answer
    x = 11,761.44

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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.