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Finding the Fourth Proportional to 35,089.96, 48,423.96 and 20,754.92

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Solution

The fourth proportional to 35,089.96, 48,423.96 and 20,754.92 is: 28,641.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,089.96 : 48,423.96 = 20,754.92 : x
  2. Step 2: Convert to fraction form
    35,089.96/48,423.96 = 20,754.92/x
  3. Step 3: Cross multiply
    35,089.96x = 48,423.96 × 20,754.92
  4. Step 4: Simplify right side
    35,089.96x = 1,005,035,415.88
  5. Step 5: Solve for x
    x = 1,005,035,415.88/35,089.96
  6. Step 6: Final answer
    x = 28,641.68

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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.