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Finding the Fourth Proportional to 53,057.58, 79,558.98 and 15,612.79

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Solution

The fourth proportional to 53,057.58, 79,558.98 and 15,612.79 is: 23,411.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,057.58 : 79,558.98 = 15,612.79 : x
  2. Step 2: Convert to fraction form
    53,057.58/79,558.98 = 15,612.79/x
  3. Step 3: Cross multiply
    53,057.58x = 79,558.98 × 15,612.79
  4. Step 4: Simplify right side
    53,057.58x = 1,242,137,558.93
  5. Step 5: Solve for x
    x = 1,242,137,558.93/53,057.58
  6. Step 6: Final answer
    x = 23,411.12

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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.