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Finding the Fourth Proportional to 7,203.77, 10,810.51 and 2,820.68

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Solution

The fourth proportional to 7,203.77, 10,810.51 and 2,820.68 is: 4,232.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,203.77 : 10,810.51 = 2,820.68 : x
  2. Step 2: Convert to fraction form
    7,203.77/10,810.51 = 2,820.68/x
  3. Step 3: Cross multiply
    7,203.77x = 10,810.51 × 2,820.68
  4. Step 4: Simplify right side
    7,203.77x = 30,492,969.37
  5. Step 5: Solve for x
    x = 30,492,969.37/7,203.77
  6. Step 6: Final answer
    x = 4,232.92

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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.