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Finding the Fourth Proportional to 64,535.95, 89,060.75 and 35,858.24

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Solution

The fourth proportional to 64,535.95, 89,060.75 and 35,858.24 is: 49,485.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,535.95 : 89,060.75 = 35,858.24 : x
  2. Step 2: Convert to fraction form
    64,535.95/89,060.75 = 35,858.24/x
  3. Step 3: Cross multiply
    64,535.95x = 89,060.75 × 35,858.24
  4. Step 4: Simplify right side
    64,535.95x = 3,193,561,748.08
  5. Step 5: Solve for x
    x = 3,193,561,748.08/64,535.95
  6. Step 6: Final answer
    x = 49,485.00

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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.