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Finding the Fourth Proportional to 14,436.52, 19,922.54 and 8,468.28

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Solution

The fourth proportional to 14,436.52, 19,922.54 and 8,468.28 is: 11,686.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,436.52 : 19,922.54 = 8,468.28 : x
  2. Step 2: Convert to fraction form
    14,436.52/19,922.54 = 8,468.28/x
  3. Step 3: Cross multiply
    14,436.52x = 19,922.54 × 8,468.28
  4. Step 4: Simplify right side
    14,436.52x = 168,709,772.10
  5. Step 5: Solve for x
    x = 168,709,772.10/14,436.52
  6. Step 6: Final answer
    x = 11,686.32

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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.