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Finding the Fourth Proportional to 35,461.62, 48,937.14 and 21,314.70

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Solution

The fourth proportional to 35,461.62, 48,937.14 and 21,314.70 is: 29,414.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,461.62 : 48,937.14 = 21,314.70 : x
  2. Step 2: Convert to fraction form
    35,461.62/48,937.14 = 21,314.70/x
  3. Step 3: Cross multiply
    35,461.62x = 48,937.14 × 21,314.70
  4. Step 4: Simplify right side
    35,461.62x = 1,043,080,457.96
  5. Step 5: Solve for x
    x = 1,043,080,457.96/35,461.62
  6. Step 6: Final answer
    x = 29,414.35

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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.