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Finding the Fourth Proportional to 5,800.04, 8,700.05 and 2,880.39

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Solution

The fourth proportional to 5,800.04, 8,700.05 and 2,880.39 is: 4,320.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,800.04 : 8,700.05 = 2,880.39 : x
  2. Step 2: Convert to fraction form
    5,800.04/8,700.05 = 2,880.39/x
  3. Step 3: Cross multiply
    5,800.04x = 8,700.05 × 2,880.39
  4. Step 4: Simplify right side
    5,800.04x = 25,059,537.02
  5. Step 5: Solve for x
    x = 25,059,537.02/5,800.04
  6. Step 6: Final answer
    x = 4,320.58

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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.