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Finding the Fourth Proportional to 84,969.81, 127,453.80 and 35,035.13

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Solution

The fourth proportional to 84,969.81, 127,453.80 and 35,035.13 is: 52,552.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,969.81 : 127,453.80 = 35,035.13 : x
  2. Step 2: Convert to fraction form
    84,969.81/127,453.80 = 35,035.13/x
  3. Step 3: Cross multiply
    84,969.81x = 127,453.80 × 35,035.13
  4. Step 4: Simplify right side
    84,969.81x = 4,465,360,902.01
  5. Step 5: Solve for x
    x = 4,465,360,902.01/84,969.81
  6. Step 6: Final answer
    x = 52,552.32

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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.