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Finding the Fourth Proportional to 35,373.52, 48,803.88 and 20,267.92

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Solution

The fourth proportional to 35,373.52, 48,803.88 and 20,267.92 is: 27,963.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,373.52 : 48,803.88 = 20,267.92 : x
  2. Step 2: Convert to fraction form
    35,373.52/48,803.88 = 20,267.92/x
  3. Step 3: Cross multiply
    35,373.52x = 48,803.88 × 20,267.92
  4. Step 4: Simplify right side
    35,373.52x = 989,153,135.53
  5. Step 5: Solve for x
    x = 989,153,135.53/35,373.52
  6. Step 6: Final answer
    x = 27,963.10

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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.