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Finding the Fourth Proportional to 9,303.80, 13,955.80 and 2,730.12

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Solution

The fourth proportional to 9,303.80, 13,955.80 and 2,730.12 is: 4,095.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,303.80 : 13,955.80 = 2,730.12 : x
  2. Step 2: Convert to fraction form
    9,303.80/13,955.80 = 2,730.12/x
  3. Step 3: Cross multiply
    9,303.80x = 13,955.80 × 2,730.12
  4. Step 4: Simplify right side
    9,303.80x = 38,101,008.70
  5. Step 5: Solve for x
    x = 38,101,008.70/9,303.80
  6. Step 6: Final answer
    x = 4,095.21

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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.