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Finding the Fourth Proportional to 60,496.40, 90,619.76 and 35,460.43

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Solution

The fourth proportional to 60,496.40, 90,619.76 and 35,460.43 is: 53,117.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,496.40 : 90,619.76 = 35,460.43 : x
  2. Step 2: Convert to fraction form
    60,496.40/90,619.76 = 35,460.43/x
  3. Step 3: Cross multiply
    60,496.40x = 90,619.76 × 35,460.43
  4. Step 4: Simplify right side
    60,496.40x = 3,213,415,518.20
  5. Step 5: Solve for x
    x = 3,213,415,518.20/60,496.40
  6. Step 6: Final answer
    x = 53,117.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.