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Finding the Fourth Proportional to 12,482.04, 18,713.82 and 7,550.48

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Solution

The fourth proportional to 12,482.04, 18,713.82 and 7,550.48 is: 11,320.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,482.04 : 18,713.82 = 7,550.48 : x
  2. Step 2: Convert to fraction form
    12,482.04/18,713.82 = 7,550.48/x
  3. Step 3: Cross multiply
    12,482.04x = 18,713.82 × 7,550.48
  4. Step 4: Simplify right side
    12,482.04x = 141,298,323.63
  5. Step 5: Solve for x
    x = 141,298,323.63/12,482.04
  6. Step 6: Final answer
    x = 11,320.13

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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.