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Finding the Fourth Proportional to 5,583.46, 8,368.11 and 5,438.10

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Solution

The fourth proportional to 5,583.46, 8,368.11 and 5,438.10 is: 8,150.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,583.46 : 8,368.11 = 5,438.10 : x
  2. Step 2: Convert to fraction form
    5,583.46/8,368.11 = 5,438.10/x
  3. Step 3: Cross multiply
    5,583.46x = 8,368.11 × 5,438.10
  4. Step 4: Simplify right side
    5,583.46x = 45,506,618.99
  5. Step 5: Solve for x
    x = 45,506,618.99/5,583.46
  6. Step 6: Final answer
    x = 8,150.25

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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.