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Finding the Fourth Proportional to 53,168.55, 79,752.83 and 15,725.71

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Solution

The fourth proportional to 53,168.55, 79,752.83 and 15,725.71 is: 23,588.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,168.55 : 79,752.83 = 15,725.71 : x
  2. Step 2: Convert to fraction form
    53,168.55/79,752.83 = 15,725.71/x
  3. Step 3: Cross multiply
    53,168.55x = 79,752.83 × 15,725.71
  4. Step 4: Simplify right side
    53,168.55x = 1,254,169,876.26
  5. Step 5: Solve for x
    x = 1,254,169,876.26/53,168.55
  6. Step 6: Final answer
    x = 23,588.57

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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.