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Finding the Fourth Proportional to 16,490.48, 22,750.08 and 9,411.08

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Solution

The fourth proportional to 16,490.48, 22,750.08 and 9,411.08 is: 12,983.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,490.48 : 22,750.08 = 9,411.08 : x
  2. Step 2: Convert to fraction form
    16,490.48/22,750.08 = 9,411.08/x
  3. Step 3: Cross multiply
    16,490.48x = 22,750.08 × 9,411.08
  4. Step 4: Simplify right side
    16,490.48x = 214,102,822.89
  5. Step 5: Solve for x
    x = 214,102,822.89/16,490.48
  6. Step 6: Final answer
    x = 12,983.42

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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.