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Finding the Fourth Proportional to 25,282.36, 37,918.74 and 9,486.74

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Solution

The fourth proportional to 25,282.36, 37,918.74 and 9,486.74 is: 14,228.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,282.36 : 37,918.74 = 9,486.74 : x
  2. Step 2: Convert to fraction form
    25,282.36/37,918.74 = 9,486.74/x
  3. Step 3: Cross multiply
    25,282.36x = 37,918.74 × 9,486.74
  4. Step 4: Simplify right side
    25,282.36x = 359,725,227.51
  5. Step 5: Solve for x
    x = 359,725,227.51/25,282.36
  6. Step 6: Final answer
    x = 14,228.31

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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.