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Finding the Fourth Proportional to 60,781.68, 83,913.84 and 46,328.04

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Solution

The fourth proportional to 60,781.68, 83,913.84 and 46,328.04 is: 63,959.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,781.68 : 83,913.84 = 46,328.04 : x
  2. Step 2: Convert to fraction form
    60,781.68/83,913.84 = 46,328.04/x
  3. Step 3: Cross multiply
    60,781.68x = 83,913.84 × 46,328.04
  4. Step 4: Simplify right side
    60,781.68x = 3,887,563,736.07
  5. Step 5: Solve for x
    x = 3,887,563,736.07/60,781.68
  6. Step 6: Final answer
    x = 63,959.47

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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.