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Finding the Fourth Proportional to 64,035.71, 88,361.12 and 35,742.59

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Solution

The fourth proportional to 64,035.71, 88,361.12 and 35,742.59 is: 49,320.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,035.71 : 88,361.12 = 35,742.59 : x
  2. Step 2: Convert to fraction form
    64,035.71/88,361.12 = 35,742.59/x
  3. Step 3: Cross multiply
    64,035.71x = 88,361.12 × 35,742.59
  4. Step 4: Simplify right side
    64,035.71x = 3,158,254,931.65
  5. Step 5: Solve for x
    x = 3,158,254,931.65/64,035.71
  6. Step 6: Final answer
    x = 49,320.22

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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.