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Finding the Fourth Proportional to 3,335.68, 4,602.36 and 2,154.88

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Solution

The fourth proportional to 3,335.68, 4,602.36 and 2,154.88 is: 2,973.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,335.68 : 4,602.36 = 2,154.88 : x
  2. Step 2: Convert to fraction form
    3,335.68/4,602.36 = 2,154.88/x
  3. Step 3: Cross multiply
    3,335.68x = 4,602.36 × 2,154.88
  4. Step 4: Simplify right side
    3,335.68x = 9,917,533.52
  5. Step 5: Solve for x
    x = 9,917,533.52/3,335.68
  6. Step 6: Final answer
    x = 2,973.17

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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.