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Finding the Fourth Proportional to 35,620.70, 53,434.08 and 9,325.40

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Solution

The fourth proportional to 35,620.70, 53,434.08 and 9,325.40 is: 13,988.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,620.70 : 53,434.08 = 9,325.40 : x
  2. Step 2: Convert to fraction form
    35,620.70/53,434.08 = 9,325.40/x
  3. Step 3: Cross multiply
    35,620.70x = 53,434.08 × 9,325.40
  4. Step 4: Simplify right side
    35,620.70x = 498,293,902.46
  5. Step 5: Solve for x
    x = 498,293,902.46/35,620.70
  6. Step 6: Final answer
    x = 13,988.89

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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.