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Finding the Fourth Proportional to 7,368.66, 11,048.13 and 2,980.98

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Solution

The fourth proportional to 7,368.66, 11,048.13 and 2,980.98 is: 4,469.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,368.66 : 11,048.13 = 2,980.98 : x
  2. Step 2: Convert to fraction form
    7,368.66/11,048.13 = 2,980.98/x
  3. Step 3: Cross multiply
    7,368.66x = 11,048.13 × 2,980.98
  4. Step 4: Simplify right side
    7,368.66x = 32,934,254.57
  5. Step 5: Solve for x
    x = 32,934,254.57/7,368.66
  6. Step 6: Final answer
    x = 4,469.50

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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.