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Finding the Fourth Proportional to 16,130.54, 22,260.54 and 9,056.78

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Solution

The fourth proportional to 16,130.54, 22,260.54 and 9,056.78 is: 12,498.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,130.54 : 22,260.54 = 9,056.78 : x
  2. Step 2: Convert to fraction form
    16,130.54/22,260.54 = 9,056.78/x
  3. Step 3: Cross multiply
    16,130.54x = 22,260.54 × 9,056.78
  4. Step 4: Simplify right side
    16,130.54x = 201,608,813.46
  5. Step 5: Solve for x
    x = 201,608,813.46/16,130.54
  6. Step 6: Final answer
    x = 12,498.58

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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.