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Finding the Fourth Proportional to 43,807.70, 61,486.30 and 43,807.70

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Solution

The fourth proportional to 43,807.70, 61,486.30 and 43,807.70 is: 61,486.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,807.70 : 61,486.30 = 43,807.70 : x
  2. Step 2: Convert to fraction form
    43,807.70/61,486.30 = 43,807.70/x
  3. Step 3: Cross multiply
    43,807.70x = 61,486.30 × 43,807.70
  4. Step 4: Simplify right side
    43,807.70x = 2,693,573,384.51
  5. Step 5: Solve for x
    x = 2,693,573,384.51/43,807.70
  6. Step 6: Final answer
    x = 61,486.30

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.