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Finding the Fourth Proportional to 60,411, 83,367.18 and 33,915

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Solution

The fourth proportional to 60,411, 83,367.18 and 33,915 is: 46,802.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,411 : 83,367.18 = 33,915 : x
  2. Step 2: Convert to fraction form
    60,411/83,367.18 = 33,915/x
  3. Step 3: Cross multiply
    60,411x = 83,367.18 × 33,915
  4. Step 4: Simplify right side
    60,411x = 2,827,397,909.70
  5. Step 5: Solve for x
    x = 2,827,397,909.70/60,411
  6. Step 6: Final answer
    x = 46,802.70

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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.