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Finding the Fourth Proportional to 53,253.42, 79,866.42 and 15,804.63

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Solution

The fourth proportional to 53,253.42, 79,866.42 and 15,804.63 is: 23,702.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,253.42 : 79,866.42 = 15,804.63 : x
  2. Step 2: Convert to fraction form
    53,253.42/79,866.42 = 15,804.63/x
  3. Step 3: Cross multiply
    53,253.42x = 79,866.42 × 15,804.63
  4. Step 4: Simplify right side
    53,253.42x = 1,262,259,217.52
  5. Step 5: Solve for x
    x = 1,262,259,217.52/53,253.42
  6. Step 6: Final answer
    x = 23,702.88

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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.