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Finding the Fourth Proportional to 65,964.54, 91,030.84 and 35,750.60

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Solution

The fourth proportional to 65,964.54, 91,030.84 and 35,750.60 is: 49,335.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,964.54 : 91,030.84 = 35,750.60 : x
  2. Step 2: Convert to fraction form
    65,964.54/91,030.84 = 35,750.60/x
  3. Step 3: Cross multiply
    65,964.54x = 91,030.84 × 35,750.60
  4. Step 4: Simplify right side
    65,964.54x = 3,254,406,945.34
  5. Step 5: Solve for x
    x = 3,254,406,945.34/65,964.54
  6. Step 6: Final answer
    x = 49,335.70

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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.