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Finding the Fourth Proportional to 5,570.60, 8,284.22 and 5,395.40

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Solution

The fourth proportional to 5,570.60, 8,284.22 and 5,395.40 is: 8,023.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,570.60 : 8,284.22 = 5,395.40 : x
  2. Step 2: Convert to fraction form
    5,570.60/8,284.22 = 5,395.40/x
  3. Step 3: Cross multiply
    5,570.60x = 8,284.22 × 5,395.40
  4. Step 4: Simplify right side
    5,570.60x = 44,696,680.59
  5. Step 5: Solve for x
    x = 44,696,680.59/5,570.60
  6. Step 6: Final answer
    x = 8,023.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.