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Finding the Fourth Proportional to 7,368.35, 11,035.35 and 5,389.03

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Solution

The fourth proportional to 7,368.35, 11,035.35 and 5,389.03 is: 8,070.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,368.35 : 11,035.35 = 5,389.03 : x
  2. Step 2: Convert to fraction form
    7,368.35/11,035.35 = 5,389.03/x
  3. Step 3: Cross multiply
    7,368.35x = 11,035.35 × 5,389.03
  4. Step 4: Simplify right side
    7,368.35x = 59,469,818.67
  5. Step 5: Solve for x
    x = 59,469,818.67/7,368.35
  6. Step 6: Final answer
    x = 8,070.98

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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.