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Finding the Fourth Proportional to 12,365.65, 18,549.02 and 4,045.63

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Solution

The fourth proportional to 12,365.65, 18,549.02 and 4,045.63 is: 6,068.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,365.65 : 18,549.02 = 4,045.63 : x
  2. Step 2: Convert to fraction form
    12,365.65/18,549.02 = 4,045.63/x
  3. Step 3: Cross multiply
    12,365.65x = 18,549.02 × 4,045.63
  4. Step 4: Simplify right side
    12,365.65x = 75,042,471.78
  5. Step 5: Solve for x
    x = 75,042,471.78/12,365.65
  6. Step 6: Final answer
    x = 6,068.62

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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.