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Finding the Fourth Proportional to 12,341.63, 18,552.54 and 9,903.13

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Solution

The fourth proportional to 12,341.63, 18,552.54 and 9,903.13 is: 14,886.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,341.63 : 18,552.54 = 9,903.13 : x
  2. Step 2: Convert to fraction form
    12,341.63/18,552.54 = 9,903.13/x
  3. Step 3: Cross multiply
    12,341.63x = 18,552.54 × 9,903.13
  4. Step 4: Simplify right side
    12,341.63x = 183,728,206.21
  5. Step 5: Solve for x
    x = 183,728,206.21/12,341.63
  6. Step 6: Final answer
    x = 14,886.86

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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.