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Finding the Fourth Proportional to 8,835.40, 13,253.10 and 4,673.80

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Solution

The fourth proportional to 8,835.40, 13,253.10 and 4,673.80 is: 7,010.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,835.40 : 13,253.10 = 4,673.80 : x
  2. Step 2: Convert to fraction form
    8,835.40/13,253.10 = 4,673.80/x
  3. Step 3: Cross multiply
    8,835.40x = 13,253.10 × 4,673.80
  4. Step 4: Simplify right side
    8,835.40x = 61,942,338.78
  5. Step 5: Solve for x
    x = 61,942,338.78/8,835.40
  6. Step 6: Final answer
    x = 7,010.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.