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Finding the Fourth Proportional to 8,356.94, 11,532.19 and 5,001.60

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Solution

The fourth proportional to 8,356.94, 11,532.19 and 5,001.60 is: 6,901.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,356.94 : 11,532.19 = 5,001.60 : x
  2. Step 2: Convert to fraction form
    8,356.94/11,532.19 = 5,001.60/x
  3. Step 3: Cross multiply
    8,356.94x = 11,532.19 × 5,001.60
  4. Step 4: Simplify right side
    8,356.94x = 57,679,401.50
  5. Step 5: Solve for x
    x = 57,679,401.50/8,356.94
  6. Step 6: Final answer
    x = 6,901.98

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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.