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Finding the Fourth Proportional to 5,619.63, 8,373.35 and 5,368.11

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Solution

The fourth proportional to 5,619.63, 8,373.35 and 5,368.11 is: 7,998.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,619.63 : 8,373.35 = 5,368.11 : x
  2. Step 2: Convert to fraction form
    5,619.63/8,373.35 = 5,368.11/x
  3. Step 3: Cross multiply
    5,619.63x = 8,373.35 × 5,368.11
  4. Step 4: Simplify right side
    5,619.63x = 44,949,037.03
  5. Step 5: Solve for x
    x = 44,949,037.03/5,619.63
  6. Step 6: Final answer
    x = 7,998.58

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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.