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Finding the Fourth Proportional to 59,703.84, 89,557.92 and 20,265.12

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Solution

The fourth proportional to 59,703.84, 89,557.92 and 20,265.12 is: 30,398.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,703.84 : 89,557.92 = 20,265.12 : x
  2. Step 2: Convert to fraction form
    59,703.84/89,557.92 = 20,265.12/x
  3. Step 3: Cross multiply
    59,703.84x = 89,557.92 × 20,265.12
  4. Step 4: Simplify right side
    59,703.84x = 1,814,901,995.75
  5. Step 5: Solve for x
    x = 1,814,901,995.75/59,703.84
  6. Step 6: Final answer
    x = 30,398.41

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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.