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Finding the Fourth Proportional to 33,712.50, 46,523.25 and 18,808.50

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Solution

The fourth proportional to 33,712.50, 46,523.25 and 18,808.50 is: 25,955.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,712.50 : 46,523.25 = 18,808.50 : x
  2. Step 2: Convert to fraction form
    33,712.50/46,523.25 = 18,808.50/x
  3. Step 3: Cross multiply
    33,712.50x = 46,523.25 × 18,808.50
  4. Step 4: Simplify right side
    33,712.50x = 875,032,547.63
  5. Step 5: Solve for x
    x = 875,032,547.63/33,712.50
  6. Step 6: Final answer
    x = 25,955.73

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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.