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Finding the Fourth Proportional to 65,999.34, 91,070.37 and 37,322.88

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Solution

The fourth proportional to 65,999.34, 91,070.37 and 37,322.88 is: 51,500.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,999.34 : 91,070.37 = 37,322.88 : x
  2. Step 2: Convert to fraction form
    65,999.34/91,070.37 = 37,322.88/x
  3. Step 3: Cross multiply
    65,999.34x = 91,070.37 × 37,322.88
  4. Step 4: Simplify right side
    65,999.34x = 3,399,008,491.07
  5. Step 5: Solve for x
    x = 3,399,008,491.07/65,999.34
  6. Step 6: Final answer
    x = 51,500.64

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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.