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Finding the Fourth Proportional to 8,927.90, 13,400.07 and 4,548.50

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Solution

The fourth proportional to 8,927.90, 13,400.07 and 4,548.50 is: 6,826.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,927.90 : 13,400.07 = 4,548.50 : x
  2. Step 2: Convert to fraction form
    8,927.90/13,400.07 = 4,548.50/x
  3. Step 3: Cross multiply
    8,927.90x = 13,400.07 × 4,548.50
  4. Step 4: Simplify right side
    8,927.90x = 60,950,218.40
  5. Step 5: Solve for x
    x = 60,950,218.40/8,927.90
  6. Step 6: Final answer
    x = 6,826.94

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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.