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Finding the Fourth Proportional to 60,578.79, 90,907.07 and 29,397.03

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Solution

The fourth proportional to 60,578.79, 90,907.07 and 29,397.03 is: 44,114.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,578.79 : 90,907.07 = 29,397.03 : x
  2. Step 2: Convert to fraction form
    60,578.79/90,907.07 = 29,397.03/x
  3. Step 3: Cross multiply
    60,578.79x = 90,907.07 × 29,397.03
  4. Step 4: Simplify right side
    60,578.79x = 2,672,397,717.02
  5. Step 5: Solve for x
    x = 2,672,397,717.02/60,578.79
  6. Step 6: Final answer
    x = 44,114.41

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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.