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Finding the Fourth Proportional to 60,602.40, 90,772.08 and 29,372

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Solution

The fourth proportional to 60,602.40, 90,772.08 and 29,372 is: 43,994.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,602.40 : 90,772.08 = 29,372 : x
  2. Step 2: Convert to fraction form
    60,602.40/90,772.08 = 29,372/x
  3. Step 3: Cross multiply
    60,602.40x = 90,772.08 × 29,372
  4. Step 4: Simplify right side
    60,602.40x = 2,666,157,533.76
  5. Step 5: Solve for x
    x = 2,666,157,533.76/60,602.40
  6. Step 6: Final answer
    x = 43,994.26

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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.