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Finding the Fourth Proportional to 60,880.47, 91,320.74 and 39,838.22

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Solution

The fourth proportional to 60,880.47, 91,320.74 and 39,838.22 is: 59,757.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,880.47 : 91,320.74 = 39,838.22 : x
  2. Step 2: Convert to fraction form
    60,880.47/91,320.74 = 39,838.22/x
  3. Step 3: Cross multiply
    60,880.47x = 91,320.74 × 39,838.22
  4. Step 4: Simplify right side
    60,880.47x = 3,638,055,074.89
  5. Step 5: Solve for x
    x = 3,638,055,074.89/60,880.47
  6. Step 6: Final answer
    x = 59,757.34

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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.