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Finding the Fourth Proportional to 35,392.64, 48,841.00 and 20,294.15

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Solution

The fourth proportional to 35,392.64, 48,841.00 and 20,294.15 is: 28,005.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,392.64 : 48,841.00 = 20,294.15 : x
  2. Step 2: Convert to fraction form
    35,392.64/48,841.00 = 20,294.15/x
  3. Step 3: Cross multiply
    35,392.64x = 48,841.00 × 20,294.15
  4. Step 4: Simplify right side
    35,392.64x = 991,186,285.21
  5. Step 5: Solve for x
    x = 991,186,285.21/35,392.64
  6. Step 6: Final answer
    x = 28,005.44

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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.