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Finding the Fourth Proportional to 35,672.16, 53,520.64 and 15,952.80

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Solution

The fourth proportional to 35,672.16, 53,520.64 and 15,952.80 is: 23,934.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,672.16 : 53,520.64 = 15,952.80 : x
  2. Step 2: Convert to fraction form
    35,672.16/53,520.64 = 15,952.80/x
  3. Step 3: Cross multiply
    35,672.16x = 53,520.64 × 15,952.80
  4. Step 4: Simplify right side
    35,672.16x = 853,804,065.79
  5. Step 5: Solve for x
    x = 853,804,065.79/35,672.16
  6. Step 6: Final answer
    x = 23,934.75

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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.