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Finding the Fourth Proportional to 61,455.34, 84,788.67 and 36,299.98

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Solution

The fourth proportional to 61,455.34, 84,788.67 and 36,299.98 is: 50,082.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,455.34 : 84,788.67 = 36,299.98 : x
  2. Step 2: Convert to fraction form
    61,455.34/84,788.67 = 36,299.98/x
  3. Step 3: Cross multiply
    61,455.34x = 84,788.67 × 36,299.98
  4. Step 4: Simplify right side
    61,455.34x = 3,077,827,025.23
  5. Step 5: Solve for x
    x = 3,077,827,025.23/61,455.34
  6. Step 6: Final answer
    x = 50,082.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.