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Finding the Fourth Proportional to 57,475.78, 79,307.30 and 35,962.99

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Solution

The fourth proportional to 57,475.78, 79,307.30 and 35,962.99 is: 49,623.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,475.78 : 79,307.30 = 35,962.99 : x
  2. Step 2: Convert to fraction form
    57,475.78/79,307.30 = 35,962.99/x
  3. Step 3: Cross multiply
    57,475.78x = 79,307.30 × 35,962.99
  4. Step 4: Simplify right side
    57,475.78x = 2,852,127,528.47
  5. Step 5: Solve for x
    x = 2,852,127,528.47/57,475.78
  6. Step 6: Final answer
    x = 49,623.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.