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Finding the Fourth Proportional to 56,477.30, 84,549.52 and 49,471.00

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Solution

The fourth proportional to 56,477.30, 84,549.52 and 49,471.00 is: 74,060.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,477.30 : 84,549.52 = 49,471.00 : x
  2. Step 2: Convert to fraction form
    56,477.30/84,549.52 = 49,471.00/x
  3. Step 3: Cross multiply
    56,477.30x = 84,549.52 × 49,471.00
  4. Step 4: Simplify right side
    56,477.30x = 4,182,749,629.98
  5. Step 5: Solve for x
    x = 4,182,749,629.98/56,477.30
  6. Step 6: Final answer
    x = 74,060.72

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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.