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Finding the Fourth Proportional to 35,410.76, 53,119.38 and 9,115.58

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Solution

The fourth proportional to 35,410.76, 53,119.38 and 9,115.58 is: 13,674.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,410.76 : 53,119.38 = 9,115.58 : x
  2. Step 2: Convert to fraction form
    35,410.76/53,119.38 = 9,115.58/x
  3. Step 3: Cross multiply
    35,410.76x = 53,119.38 × 9,115.58
  4. Step 4: Simplify right side
    35,410.76x = 484,213,957.94
  5. Step 5: Solve for x
    x = 484,213,957.94/35,410.76
  6. Step 6: Final answer
    x = 13,674.20

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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.