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Finding the Fourth Proportional to 12,333.63, 18,482.12 and 7,397.49

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Solution

The fourth proportional to 12,333.63, 18,482.12 and 7,397.49 is: 11,085.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,333.63 : 18,482.12 = 7,397.49 : x
  2. Step 2: Convert to fraction form
    12,333.63/18,482.12 = 7,397.49/x
  3. Step 3: Cross multiply
    12,333.63x = 18,482.12 × 7,397.49
  4. Step 4: Simplify right side
    12,333.63x = 136,721,260.89
  5. Step 5: Solve for x
    x = 136,721,260.89/12,333.63
  6. Step 6: Final answer
    x = 11,085.24

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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.