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Finding the Fourth Proportional to 65,462.63, 90,339.03 and 37,168.92

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Solution

The fourth proportional to 65,462.63, 90,339.03 and 37,168.92 is: 51,293.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,462.63 : 90,339.03 = 37,168.92 : x
  2. Step 2: Convert to fraction form
    65,462.63/90,339.03 = 37,168.92/x
  3. Step 3: Cross multiply
    65,462.63x = 90,339.03 × 37,168.92
  4. Step 4: Simplify right side
    65,462.63x = 3,357,804,178.95
  5. Step 5: Solve for x
    x = 3,357,804,178.95/65,462.63
  6. Step 6: Final answer
    x = 51,293.45

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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.