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Finding the Fourth Proportional to 60,666.40, 83,719.44 and 35,510.88

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Solution

The fourth proportional to 60,666.40, 83,719.44 and 35,510.88 is: 49,004.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,666.40 : 83,719.44 = 35,510.88 : x
  2. Step 2: Convert to fraction form
    60,666.40/83,719.44 = 35,510.88/x
  3. Step 3: Cross multiply
    60,666.40x = 83,719.44 × 35,510.88
  4. Step 4: Simplify right side
    60,666.40x = 2,972,950,987.51
  5. Step 5: Solve for x
    x = 2,972,950,987.51/60,666.40
  6. Step 6: Final answer
    x = 49,004.90

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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.