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Finding the Fourth Proportional to 82,707.96, 124,008.64 and 35,353.94

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Solution

The fourth proportional to 82,707.96, 124,008.64 and 35,353.94 is: 53,008.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,707.96 : 124,008.64 = 35,353.94 : x
  2. Step 2: Convert to fraction form
    82,707.96/124,008.64 = 35,353.94/x
  3. Step 3: Cross multiply
    82,707.96x = 124,008.64 × 35,353.94
  4. Step 4: Simplify right side
    82,707.96x = 4,384,194,018.04
  5. Step 5: Solve for x
    x = 4,384,194,018.04/82,707.96
  6. Step 6: Final answer
    x = 53,008.13

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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.