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Finding the Fourth Proportional to 35,810.60, 53,715.90 and 34,293.80

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Solution

The fourth proportional to 35,810.60, 53,715.90 and 34,293.80 is: 51,440.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,810.60 : 53,715.90 = 34,293.80 : x
  2. Step 2: Convert to fraction form
    35,810.60/53,715.90 = 34,293.80/x
  3. Step 3: Cross multiply
    35,810.60x = 53,715.90 × 34,293.80
  4. Step 4: Simplify right side
    35,810.60x = 1,842,122,331.42
  5. Step 5: Solve for x
    x = 1,842,122,331.42/35,810.60
  6. Step 6: Final answer
    x = 51,440.70

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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.