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Finding the Fourth Proportional to 5,690.76, 8,541.48 and 3,503.76

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Solution

The fourth proportional to 5,690.76, 8,541.48 and 3,503.76 is: 5,258.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,690.76 : 8,541.48 = 3,503.76 : x
  2. Step 2: Convert to fraction form
    5,690.76/8,541.48 = 3,503.76/x
  3. Step 3: Cross multiply
    5,690.76x = 8,541.48 × 3,503.76
  4. Step 4: Simplify right side
    5,690.76x = 29,927,295.96
  5. Step 5: Solve for x
    x = 29,927,295.96/5,690.76
  6. Step 6: Final answer
    x = 5,258.93

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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.