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Finding the Fourth Proportional to 35,731.86, 53,600.22 and 12,360.12

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Solution

The fourth proportional to 35,731.86, 53,600.22 and 12,360.12 is: 18,541.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,731.86 : 53,600.22 = 12,360.12 : x
  2. Step 2: Convert to fraction form
    35,731.86/53,600.22 = 12,360.12/x
  3. Step 3: Cross multiply
    35,731.86x = 53,600.22 × 12,360.12
  4. Step 4: Simplify right side
    35,731.86x = 662,505,151.23
  5. Step 5: Solve for x
    x = 662,505,151.23/35,731.86
  6. Step 6: Final answer
    x = 18,541.02

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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.