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Finding the Fourth Proportional to 35,141.77, 52,719.71 and 12,955.26

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Solution

The fourth proportional to 35,141.77, 52,719.71 and 12,955.26 is: 19,435.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,141.77 : 52,719.71 = 12,955.26 : x
  2. Step 2: Convert to fraction form
    35,141.77/52,719.71 = 12,955.26/x
  3. Step 3: Cross multiply
    35,141.77x = 52,719.71 × 12,955.26
  4. Step 4: Simplify right side
    35,141.77x = 682,997,550.17
  5. Step 5: Solve for x
    x = 682,997,550.17/35,141.77
  6. Step 6: Final answer
    x = 19,435.49

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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.