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Finding the Fourth Proportional to 35,392.97, 53,064.81 and 15,660.74

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Solution

The fourth proportional to 35,392.97, 53,064.81 and 15,660.74 is: 23,480.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,392.97 : 53,064.81 = 15,660.74 : x
  2. Step 2: Convert to fraction form
    35,392.97/53,064.81 = 15,660.74/x
  3. Step 3: Cross multiply
    35,392.97x = 53,064.81 × 15,660.74
  4. Step 4: Simplify right side
    35,392.97x = 831,033,927.24
  5. Step 5: Solve for x
    x = 831,033,927.24/35,392.97
  6. Step 6: Final answer
    x = 23,480.20

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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.