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Finding the Fourth Proportional to 7,203.90, 10,800.61 and 4,858.08

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Solution

The fourth proportional to 7,203.90, 10,800.61 and 4,858.08 is: 7,283.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,203.90 : 10,800.61 = 4,858.08 : x
  2. Step 2: Convert to fraction form
    7,203.90/10,800.61 = 4,858.08/x
  3. Step 3: Cross multiply
    7,203.90x = 10,800.61 × 4,858.08
  4. Step 4: Simplify right side
    7,203.90x = 52,470,206.17
  5. Step 5: Solve for x
    x = 52,470,206.17/7,203.90
  6. Step 6: Final answer
    x = 7,283.58

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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.