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Finding the Fourth Proportional to 39,473.34, 59,123.34 and 28,401.45

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Solution

The fourth proportional to 39,473.34, 59,123.34 and 28,401.45 is: 42,539.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,473.34 : 59,123.34 = 28,401.45 : x
  2. Step 2: Convert to fraction form
    39,473.34/59,123.34 = 28,401.45/x
  3. Step 3: Cross multiply
    39,473.34x = 59,123.34 × 28,401.45
  4. Step 4: Simplify right side
    39,473.34x = 1,679,188,584.84
  5. Step 5: Solve for x
    x = 1,679,188,584.84/39,473.34
  6. Step 6: Final answer
    x = 42,539.82

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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.