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Finding the Fourth Proportional to 60,798.76, 83,887.48 and 35,643.40

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Solution

The fourth proportional to 60,798.76, 83,887.48 and 35,643.40 is: 49,179.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,798.76 : 83,887.48 = 35,643.40 : x
  2. Step 2: Convert to fraction form
    60,798.76/83,887.48 = 35,643.40/x
  3. Step 3: Cross multiply
    60,798.76x = 83,887.48 × 35,643.40
  4. Step 4: Simplify right side
    60,798.76x = 2,990,035,004.63
  5. Step 5: Solve for x
    x = 2,990,035,004.63/60,798.76
  6. Step 6: Final answer
    x = 49,179.21

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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.