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Finding the Fourth Proportional to 55,079.99, 76,009.15 and 32,114.06

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Solution

The fourth proportional to 55,079.99, 76,009.15 and 32,114.06 is: 44,316.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,079.99 : 76,009.15 = 32,114.06 : x
  2. Step 2: Convert to fraction form
    55,079.99/76,009.15 = 32,114.06/x
  3. Step 3: Cross multiply
    55,079.99x = 76,009.15 × 32,114.06
  4. Step 4: Simplify right side
    55,079.99x = 2,440,962,403.65
  5. Step 5: Solve for x
    x = 2,440,962,403.65/55,079.99
  6. Step 6: Final answer
    x = 44,316.68

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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.