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Finding the Fourth Proportional to 7,654.70, 10,570.23 and 4,827.13

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Solution

The fourth proportional to 7,654.70, 10,570.23 and 4,827.13 is: 6,665.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,654.70 : 10,570.23 = 4,827.13 : x
  2. Step 2: Convert to fraction form
    7,654.70/10,570.23 = 4,827.13/x
  3. Step 3: Cross multiply
    7,654.70x = 10,570.23 × 4,827.13
  4. Step 4: Simplify right side
    7,654.70x = 51,023,847.91
  5. Step 5: Solve for x
    x = 51,023,847.91/7,654.70
  6. Step 6: Final answer
    x = 6,665.69

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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.