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Finding the Fourth Proportional to 60,503.36, 83,422.32 and 39,274.88

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Solution

The fourth proportional to 60,503.36, 83,422.32 and 39,274.88 is: 54,152.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,503.36 : 83,422.32 = 39,274.88 : x
  2. Step 2: Convert to fraction form
    60,503.36/83,422.32 = 39,274.88/x
  3. Step 3: Cross multiply
    60,503.36x = 83,422.32 × 39,274.88
  4. Step 4: Simplify right side
    60,503.36x = 3,276,401,607.32
  5. Step 5: Solve for x
    x = 3,276,401,607.32/60,503.36
  6. Step 6: Final answer
    x = 54,152.39

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1.5x scale

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.