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Finding the Fourth Proportional to 17,907.35, 26,851.78 and 8,038.16

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Solution

The fourth proportional to 17,907.35, 26,851.78 and 8,038.16 is: 12,053.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,907.35 : 26,851.78 = 8,038.16 : x
  2. Step 2: Convert to fraction form
    17,907.35/26,851.78 = 8,038.16/x
  3. Step 3: Cross multiply
    17,907.35x = 26,851.78 × 8,038.16
  4. Step 4: Simplify right side
    17,907.35x = 215,838,880.41
  5. Step 5: Solve for x
    x = 215,838,880.41/17,907.35
  6. Step 6: Final answer
    x = 12,053.09

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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.