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Finding the Fourth Proportional to 56,490.93, 84,602.76 and 49,054.98

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Solution

The fourth proportional to 56,490.93, 84,602.76 and 49,054.98 is: 73,466.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,490.93 : 84,602.76 = 49,054.98 : x
  2. Step 2: Convert to fraction form
    56,490.93/84,602.76 = 49,054.98/x
  3. Step 3: Cross multiply
    56,490.93x = 84,602.76 × 49,054.98
  4. Step 4: Simplify right side
    56,490.93x = 4,150,186,699.74
  5. Step 5: Solve for x
    x = 4,150,186,699.74/56,490.93
  6. Step 6: Final answer
    x = 73,466.43

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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.