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Finding the Fourth Proportional to 19,683.01, 27,162.01 and 10,730.70

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Solution

The fourth proportional to 19,683.01, 27,162.01 and 10,730.70 is: 14,808.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,683.01 : 27,162.01 = 10,730.70 : x
  2. Step 2: Convert to fraction form
    19,683.01/27,162.01 = 10,730.70/x
  3. Step 3: Cross multiply
    19,683.01x = 27,162.01 × 10,730.70
  4. Step 4: Simplify right side
    19,683.01x = 291,467,380.71
  5. Step 5: Solve for x
    x = 291,467,380.71/19,683.01
  6. Step 6: Final answer
    x = 14,808.07

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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.