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Finding the Fourth Proportional to 4,802.10, 7,203.20 and 1,339.34

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Solution

The fourth proportional to 4,802.10, 7,203.20 and 1,339.34 is: 2,009.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,802.10 : 7,203.20 = 1,339.34 : x
  2. Step 2: Convert to fraction form
    4,802.10/7,203.20 = 1,339.34/x
  3. Step 3: Cross multiply
    4,802.10x = 7,203.20 × 1,339.34
  4. Step 4: Simplify right side
    4,802.10x = 9,647,533.89
  5. Step 5: Solve for x
    x = 9,647,533.89/4,802.10
  6. Step 6: Final answer
    x = 2,009.02

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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.