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Finding the Fourth Proportional to 65,526, 90,427.80 and 37,232.88

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Solution

The fourth proportional to 65,526, 90,427.80 and 37,232.88 is: 51,382.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,526 : 90,427.80 = 37,232.88 : x
  2. Step 2: Convert to fraction form
    65,526/90,427.80 = 37,232.88/x
  3. Step 3: Cross multiply
    65,526x = 90,427.80 × 37,232.88
  4. Step 4: Simplify right side
    65,526x = 3,366,887,426.06
  5. Step 5: Solve for x
    x = 3,366,887,426.06/65,526
  6. Step 6: Final answer
    x = 51,382.47

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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.