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Finding the Fourth Proportional to 8,869.70, 13,304.55 and 7,460.30

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Solution

The fourth proportional to 8,869.70, 13,304.55 and 7,460.30 is: 11,190.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,869.70 : 13,304.55 = 7,460.30 : x
  2. Step 2: Convert to fraction form
    8,869.70/13,304.55 = 7,460.30/x
  3. Step 3: Cross multiply
    8,869.70x = 13,304.55 × 7,460.30
  4. Step 4: Simplify right side
    8,869.70x = 99,255,934.37
  5. Step 5: Solve for x
    x = 99,255,934.37/8,869.70
  6. Step 6: Final answer
    x = 11,190.45

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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.