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Finding the Fourth Proportional to 40,393.68, 60,585.66 and 10,810.86

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Solution

The fourth proportional to 40,393.68, 60,585.66 and 10,810.86 is: 16,214.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,393.68 : 60,585.66 = 10,810.86 : x
  2. Step 2: Convert to fraction form
    40,393.68/60,585.66 = 10,810.86/x
  3. Step 3: Cross multiply
    40,393.68x = 60,585.66 × 10,810.86
  4. Step 4: Simplify right side
    40,393.68x = 654,983,088.27
  5. Step 5: Solve for x
    x = 654,983,088.27/40,393.68
  6. Step 6: Final answer
    x = 16,214.99

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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.