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Finding the Fourth Proportional to 10,636.68, 15,964.24 and 10,612.08

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Solution

The fourth proportional to 10,636.68, 15,964.24 and 10,612.08 is: 15,927.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,636.68 : 15,964.24 = 10,612.08 : x
  2. Step 2: Convert to fraction form
    10,636.68/15,964.24 = 10,612.08/x
  3. Step 3: Cross multiply
    10,636.68x = 15,964.24 × 10,612.08
  4. Step 4: Simplify right side
    10,636.68x = 169,413,792.02
  5. Step 5: Solve for x
    x = 169,413,792.02/10,636.68
  6. Step 6: Final answer
    x = 15,927.32

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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.