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Finding the Fourth Proportional to 60,895.49, 91,354.58 and 21,477.65

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Solution

The fourth proportional to 60,895.49, 91,354.58 and 21,477.65 is: 32,220.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,895.49 : 91,354.58 = 21,477.65 : x
  2. Step 2: Convert to fraction form
    60,895.49/91,354.58 = 21,477.65/x
  3. Step 3: Cross multiply
    60,895.49x = 91,354.58 × 21,477.65
  4. Step 4: Simplify right side
    60,895.49x = 1,962,081,130.98
  5. Step 5: Solve for x
    x = 1,962,081,130.98/60,895.49
  6. Step 6: Final answer
    x = 32,220.47

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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.