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Finding the Fourth Proportional to 60,953.88, 91,430.80 and 40,026.12

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Solution

The fourth proportional to 60,953.88, 91,430.80 and 40,026.12 is: 60,039.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,953.88 : 91,430.80 = 40,026.12 : x
  2. Step 2: Convert to fraction form
    60,953.88/91,430.80 = 40,026.12/x
  3. Step 3: Cross multiply
    60,953.88x = 91,430.80 × 40,026.12
  4. Step 4: Simplify right side
    60,953.88x = 3,659,620,172.50
  5. Step 5: Solve for x
    x = 3,659,620,172.50/60,953.88
  6. Step 6: Final answer
    x = 60,039.17

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1.5x scale

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.