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Finding the Fourth Proportional to 53,037.42, 79,535.28 and 19,295.42

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Solution

The fourth proportional to 53,037.42, 79,535.28 and 19,295.42 is: 28,935.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,037.42 : 79,535.28 = 19,295.42 : x
  2. Step 2: Convert to fraction form
    53,037.42/79,535.28 = 19,295.42/x
  3. Step 3: Cross multiply
    53,037.42x = 79,535.28 × 19,295.42
  4. Step 4: Simplify right side
    53,037.42x = 1,534,666,307.10
  5. Step 5: Solve for x
    x = 1,534,666,307.10/53,037.42
  6. Step 6: Final answer
    x = 28,935.54

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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.