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Finding the Fourth Proportional to 64,779.77, 89,396.29 and 37,561.14

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Solution

The fourth proportional to 64,779.77, 89,396.29 and 37,561.14 is: 51,834.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,779.77 : 89,396.29 = 37,561.14 : x
  2. Step 2: Convert to fraction form
    64,779.77/89,396.29 = 37,561.14/x
  3. Step 3: Cross multiply
    64,779.77x = 89,396.29 × 37,561.14
  4. Step 4: Simplify right side
    64,779.77x = 3,357,826,564.17
  5. Step 5: Solve for x
    x = 3,357,826,564.17/64,779.77
  6. Step 6: Final answer
    x = 51,834.49

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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.