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Finding the Fourth Proportional to 7,658.60, 10,570.52 and 4,673.80

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Solution

The fourth proportional to 7,658.60, 10,570.52 and 4,673.80 is: 6,450.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,658.60 : 10,570.52 = 4,673.80 : x
  2. Step 2: Convert to fraction form
    7,658.60/10,570.52 = 4,673.80/x
  3. Step 3: Cross multiply
    7,658.60x = 10,570.52 × 4,673.80
  4. Step 4: Simplify right side
    7,658.60x = 49,404,420.15
  5. Step 5: Solve for x
    x = 49,404,420.15/7,658.60
  6. Step 6: Final answer
    x = 6,450.84

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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.