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Finding the Fourth Proportional to 8,574.84, 11,835.27 and 5,039.19

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Solution

The fourth proportional to 8,574.84, 11,835.27 and 5,039.19 is: 6,955.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,574.84 : 11,835.27 = 5,039.19 : x
  2. Step 2: Convert to fraction form
    8,574.84/11,835.27 = 5,039.19/x
  3. Step 3: Cross multiply
    8,574.84x = 11,835.27 × 5,039.19
  4. Step 4: Simplify right side
    8,574.84x = 59,640,174.23
  5. Step 5: Solve for x
    x = 59,640,174.23/8,574.84
  6. Step 6: Final answer
    x = 6,955.25

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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.