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Finding the Fourth Proportional to 3,706.71, 5,560.06 and 933.60

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Solution

The fourth proportional to 3,706.71, 5,560.06 and 933.60 is: 1,400.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,706.71 : 5,560.06 = 933.60 : x
  2. Step 2: Convert to fraction form
    3,706.71/5,560.06 = 933.60/x
  3. Step 3: Cross multiply
    3,706.71x = 5,560.06 × 933.60
  4. Step 4: Simplify right side
    3,706.71x = 5,190,858.10
  5. Step 5: Solve for x
    x = 5,190,858.10/3,706.71
  6. Step 6: Final answer
    x = 1,400.40

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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.