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Finding the Fourth Proportional to 39,998.48, 59,990.34 and 14,692.46

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Solution

The fourth proportional to 39,998.48, 59,990.34 and 14,692.46 is: 22,035.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,998.48 : 59,990.34 = 14,692.46 : x
  2. Step 2: Convert to fraction form
    39,998.48/59,990.34 = 14,692.46/x
  3. Step 3: Cross multiply
    39,998.48x = 59,990.34 × 14,692.46
  4. Step 4: Simplify right side
    39,998.48x = 881,405,670.84
  5. Step 5: Solve for x
    x = 881,405,670.84/39,998.48
  6. Step 6: Final answer
    x = 22,035.98

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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.