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Finding the Fourth Proportional to 5,651.84, 8,437.19 and 4,913.72

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Solution

The fourth proportional to 5,651.84, 8,437.19 and 4,913.72 is: 7,335.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,651.84 : 8,437.19 = 4,913.72 : x
  2. Step 2: Convert to fraction form
    5,651.84/8,437.19 = 4,913.72/x
  3. Step 3: Cross multiply
    5,651.84x = 8,437.19 × 4,913.72
  4. Step 4: Simplify right side
    5,651.84x = 41,457,989.25
  5. Step 5: Solve for x
    x = 41,457,989.25/5,651.84
  6. Step 6: Final answer
    x = 7,335.31

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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.