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Finding the Fourth Proportional to 17,880.95, 26,803.20 and 8,017.58

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Solution

The fourth proportional to 17,880.95, 26,803.20 and 8,017.58 is: 12,018.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,880.95 : 26,803.20 = 8,017.58 : x
  2. Step 2: Convert to fraction form
    17,880.95/26,803.20 = 8,017.58/x
  3. Step 3: Cross multiply
    17,880.95x = 26,803.20 × 8,017.58
  4. Step 4: Simplify right side
    17,880.95x = 214,896,897.33
  5. Step 5: Solve for x
    x = 214,896,897.33/17,880.95
  6. Step 6: Final answer
    x = 12,018.20

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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.