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Finding the Fourth Proportional to 13,444.65, 18,552.79 and 7,476.10

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Solution

The fourth proportional to 13,444.65, 18,552.79 and 7,476.10 is: 10,316.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,444.65 : 18,552.79 = 7,476.10 : x
  2. Step 2: Convert to fraction form
    13,444.65/18,552.79 = 7,476.10/x
  3. Step 3: Cross multiply
    13,444.65x = 18,552.79 × 7,476.10
  4. Step 4: Simplify right side
    13,444.65x = 138,702,513.32
  5. Step 5: Solve for x
    x = 138,702,513.32/13,444.65
  6. Step 6: Final answer
    x = 10,316.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.