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Finding the Fourth Proportional to 7,353.80, 11,030.70 and 4,073.30

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Solution

The fourth proportional to 7,353.80, 11,030.70 and 4,073.30 is: 6,109.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,353.80 : 11,030.70 = 4,073.30 : x
  2. Step 2: Convert to fraction form
    7,353.80/11,030.70 = 4,073.30/x
  3. Step 3: Cross multiply
    7,353.80x = 11,030.70 × 4,073.30
  4. Step 4: Simplify right side
    7,353.80x = 44,931,350.31
  5. Step 5: Solve for x
    x = 44,931,350.31/7,353.80
  6. Step 6: Final answer
    x = 6,109.95

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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.