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Finding the Fourth Proportional to 40,702.95, 61,054.43 and 40,702.95

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Solution

The fourth proportional to 40,702.95, 61,054.43 and 40,702.95 is: 61,054.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,702.95 : 61,054.43 = 40,702.95 : x
  2. Step 2: Convert to fraction form
    40,702.95/61,054.43 = 40,702.95/x
  3. Step 3: Cross multiply
    40,702.95x = 61,054.43 × 40,702.95
  4. Step 4: Simplify right side
    40,702.95x = 2,485,095,208.05
  5. Step 5: Solve for x
    x = 2,485,095,208.05/40,702.95
  6. Step 6: Final answer
    x = 61,054.43

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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.