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Finding the Fourth Proportional to 5,599.70, 8,387.40 and 4,984.10

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Solution

The fourth proportional to 5,599.70, 8,387.40 and 4,984.10 is: 7,465.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,599.70 : 8,387.40 = 4,984.10 : x
  2. Step 2: Convert to fraction form
    5,599.70/8,387.40 = 4,984.10/x
  3. Step 3: Cross multiply
    5,599.70x = 8,387.40 × 4,984.10
  4. Step 4: Simplify right side
    5,599.70x = 41,803,640.34
  5. Step 5: Solve for x
    x = 41,803,640.34/5,599.70
  6. Step 6: Final answer
    x = 7,465.34

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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.