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Finding the Fourth Proportional to 4,956.64, 6,836.40 and 4,654.24

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Solution

The fourth proportional to 4,956.64, 6,836.40 and 4,654.24 is: 6,419.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,956.64 : 6,836.40 = 4,654.24 : x
  2. Step 2: Convert to fraction form
    4,956.64/6,836.40 = 4,654.24/x
  3. Step 3: Cross multiply
    4,956.64x = 6,836.40 × 4,654.24
  4. Step 4: Simplify right side
    4,956.64x = 31,818,246.34
  5. Step 5: Solve for x
    x = 31,818,246.34/4,956.64
  6. Step 6: Final answer
    x = 6,419.32

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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.