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Finding the Fourth Proportional to 6,803.60, 9,390.12 and 4,010.48

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Solution

The fourth proportional to 6,803.60, 9,390.12 and 4,010.48 is: 5,535.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,803.60 : 9,390.12 = 4,010.48 : x
  2. Step 2: Convert to fraction form
    6,803.60/9,390.12 = 4,010.48/x
  3. Step 3: Cross multiply
    6,803.60x = 9,390.12 × 4,010.48
  4. Step 4: Simplify right side
    6,803.60x = 37,658,888.46
  5. Step 5: Solve for x
    x = 37,658,888.46/6,803.60
  6. Step 6: Final answer
    x = 5,535.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.