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Finding the Fourth Proportional to 35,531.80, 49,848.20 and 35,531.80

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Solution

The fourth proportional to 35,531.80, 49,848.20 and 35,531.80 is: 49,848.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,531.80 : 49,848.20 = 35,531.80 : x
  2. Step 2: Convert to fraction form
    35,531.80/49,848.20 = 35,531.80/x
  3. Step 3: Cross multiply
    35,531.80x = 49,848.20 × 35,531.80
  4. Step 4: Simplify right side
    35,531.80x = 1,771,196,272.76
  5. Step 5: Solve for x
    x = 1,771,196,272.76/35,531.80
  6. Step 6: Final answer
    x = 49,848.20

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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.