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Finding the Fourth Proportional to 53,151.50, 79,741.02 and 23,562.20

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Solution

The fourth proportional to 53,151.50, 79,741.02 and 23,562.20 is: 35,349.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,151.50 : 79,741.02 = 23,562.20 : x
  2. Step 2: Convert to fraction form
    53,151.50/79,741.02 = 23,562.20/x
  3. Step 3: Cross multiply
    53,151.50x = 79,741.02 × 23,562.20
  4. Step 4: Simplify right side
    53,151.50x = 1,878,873,861.44
  5. Step 5: Solve for x
    x = 1,878,873,861.44/53,151.50
  6. Step 6: Final answer
    x = 35,349.40

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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.