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Finding the Fourth Proportional to 66,359.67, 99,480.74 and 47,592.51

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Solution

The fourth proportional to 66,359.67, 99,480.74 and 47,592.51 is: 71,346.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,359.67 : 99,480.74 = 47,592.51 : x
  2. Step 2: Convert to fraction form
    66,359.67/99,480.74 = 47,592.51/x
  3. Step 3: Cross multiply
    66,359.67x = 99,480.74 × 47,592.51
  4. Step 4: Simplify right side
    66,359.67x = 4,734,537,875.29
  5. Step 5: Solve for x
    x = 4,734,537,875.29/66,359.67
  6. Step 6: Final answer
    x = 71,346.62

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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.