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Finding the Fourth Proportional to 30,363.98, 45,560.04 and 11,637.76

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Solution

The fourth proportional to 30,363.98, 45,560.04 and 11,637.76 is: 17,462.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,363.98 : 45,560.04 = 11,637.76 : x
  2. Step 2: Convert to fraction form
    30,363.98/45,560.04 = 11,637.76/x
  3. Step 3: Cross multiply
    30,363.98x = 45,560.04 × 11,637.76
  4. Step 4: Simplify right side
    30,363.98x = 530,216,811.11
  5. Step 5: Solve for x
    x = 530,216,811.11/30,363.98
  6. Step 6: Final answer
    x = 17,462.03

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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.