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Finding the Fourth Proportional to 66,352.64, 99,528.95 and 19,601.87

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Solution

The fourth proportional to 66,352.64, 99,528.95 and 19,601.87 is: 29,402.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,352.64 : 99,528.95 = 19,601.87 : x
  2. Step 2: Convert to fraction form
    66,352.64/99,528.95 = 19,601.87/x
  3. Step 3: Cross multiply
    66,352.64x = 99,528.95 × 19,601.87
  4. Step 4: Simplify right side
    66,352.64x = 1,950,953,090.50
  5. Step 5: Solve for x
    x = 1,950,953,090.50/66,352.64
  6. Step 6: Final answer
    x = 29,402.80

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.