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Finding the Fourth Proportional to 16,356.94, 22,573.49 and 9,646.49

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Solution

The fourth proportional to 16,356.94, 22,573.49 and 9,646.49 is: 13,312.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,356.94 : 22,573.49 = 9,646.49 : x
  2. Step 2: Convert to fraction form
    16,356.94/22,573.49 = 9,646.49/x
  3. Step 3: Cross multiply
    16,356.94x = 22,573.49 × 9,646.49
  4. Step 4: Simplify right side
    16,356.94x = 217,754,953.75
  5. Step 5: Solve for x
    x = 217,754,953.75/16,356.94
  6. Step 6: Final answer
    x = 13,312.70

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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.