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Finding the Fourth Proportional to 32,895.90, 49,363.30 and 12,133.98

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Solution

The fourth proportional to 32,895.90, 49,363.30 and 12,133.98 is: 18,208.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,895.90 : 49,363.30 = 12,133.98 : x
  2. Step 2: Convert to fraction form
    32,895.90/49,363.30 = 12,133.98/x
  3. Step 3: Cross multiply
    32,895.90x = 49,363.30 × 12,133.98
  4. Step 4: Simplify right side
    32,895.90x = 598,973,294.93
  5. Step 5: Solve for x
    x = 598,973,294.93/32,895.90
  6. Step 6: Final answer
    x = 18,208.14

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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.