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Finding the Fourth Proportional to 60,465.65, 83,419.34 and 38,953.77

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Solution

The fourth proportional to 60,465.65, 83,419.34 and 38,953.77 is: 53,741.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,465.65 : 83,419.34 = 38,953.77 : x
  2. Step 2: Convert to fraction form
    60,465.65/83,419.34 = 38,953.77/x
  3. Step 3: Cross multiply
    60,465.65x = 83,419.34 × 38,953.77
  4. Step 4: Simplify right side
    60,465.65x = 3,249,497,589.14
  5. Step 5: Solve for x
    x = 3,249,497,589.14/60,465.65
  6. Step 6: Final answer
    x = 53,741.22

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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.