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Finding the Fourth Proportional to 5,669.16, 8,492.94 and 4,291.56

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Solution

The fourth proportional to 5,669.16, 8,492.94 and 4,291.56 is: 6,429.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,669.16 : 8,492.94 = 4,291.56 : x
  2. Step 2: Convert to fraction form
    5,669.16/8,492.94 = 4,291.56/x
  3. Step 3: Cross multiply
    5,669.16x = 8,492.94 × 4,291.56
  4. Step 4: Simplify right side
    5,669.16x = 36,447,961.59
  5. Step 5: Solve for x
    x = 36,447,961.59/5,669.16
  6. Step 6: Final answer
    x = 6,429.16

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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.