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Finding the Fourth Proportional to 34,493.64, 47,597.64 and 21,068.16

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Solution

The fourth proportional to 34,493.64, 47,597.64 and 21,068.16 is: 29,071.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,493.64 : 47,597.64 = 21,068.16 : x
  2. Step 2: Convert to fraction form
    34,493.64/47,597.64 = 21,068.16/x
  3. Step 3: Cross multiply
    34,493.64x = 47,597.64 × 21,068.16
  4. Step 4: Simplify right side
    34,493.64x = 1,002,794,695.14
  5. Step 5: Solve for x
    x = 1,002,794,695.14/34,493.64
  6. Step 6: Final answer
    x = 29,071.87

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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.