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Finding the Fourth Proportional to 14,201.88, 21,303 and 5,437.32

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Solution

The fourth proportional to 14,201.88, 21,303 and 5,437.32 is: 8,156.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,201.88 : 21,303 = 5,437.32 : x
  2. Step 2: Convert to fraction form
    14,201.88/21,303 = 5,437.32/x
  3. Step 3: Cross multiply
    14,201.88x = 21,303 × 5,437.32
  4. Step 4: Simplify right side
    14,201.88x = 115,831,227.96
  5. Step 5: Solve for x
    x = 115,831,227.96/14,201.88
  6. Step 6: Final answer
    x = 8,156.05

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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.