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Finding the Fourth Proportional to 6,437.17, 8,883.21 and 3,642.67

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Solution

The fourth proportional to 6,437.17, 8,883.21 and 3,642.67 is: 5,026.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,437.17 : 8,883.21 = 3,642.67 : x
  2. Step 2: Convert to fraction form
    6,437.17/8,883.21 = 3,642.67/x
  3. Step 3: Cross multiply
    6,437.17x = 8,883.21 × 3,642.67
  4. Step 4: Simplify right side
    6,437.17x = 32,358,602.57
  5. Step 5: Solve for x
    x = 32,358,602.57/6,437.17
  6. Step 6: Final answer
    x = 5,026.84

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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.