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Finding the Fourth Proportional to 65,973.44, 91,043.46 and 35,758.76

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Solution

The fourth proportional to 65,973.44, 91,043.46 and 35,758.76 is: 49,347.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,973.44 : 91,043.46 = 35,758.76 : x
  2. Step 2: Convert to fraction form
    65,973.44/91,043.46 = 35,758.76/x
  3. Step 3: Cross multiply
    65,973.44x = 91,043.46 × 35,758.76
  4. Step 4: Simplify right side
    65,973.44x = 3,255,601,235.71
  5. Step 5: Solve for x
    x = 3,255,601,235.71/65,973.44
  6. Step 6: Final answer
    x = 49,347.15

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1.5x scale

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.