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Finding the Fourth Proportional to 12,335.64, 17,021.93 and 7,298.88

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Solution

The fourth proportional to 12,335.64, 17,021.93 and 7,298.88 is: 10,071.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,335.64 : 17,021.93 = 7,298.88 : x
  2. Step 2: Convert to fraction form
    12,335.64/17,021.93 = 7,298.88/x
  3. Step 3: Cross multiply
    12,335.64x = 17,021.93 × 7,298.88
  4. Step 4: Simplify right side
    12,335.64x = 124,240,965.17
  5. Step 5: Solve for x
    x = 124,240,965.17/12,335.64
  6. Step 6: Final answer
    x = 10,071.71

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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.