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Finding the Fourth Proportional to 53,038.42, 79,536.78 and 19,296.42

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Solution

The fourth proportional to 53,038.42, 79,536.78 and 19,296.42 is: 28,937.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,038.42 : 79,536.78 = 19,296.42 : x
  2. Step 2: Convert to fraction form
    53,038.42/79,536.78 = 19,296.42/x
  3. Step 3: Cross multiply
    53,038.42x = 79,536.78 × 19,296.42
  4. Step 4: Simplify right side
    53,038.42x = 1,534,775,112.33
  5. Step 5: Solve for x
    x = 1,534,775,112.33/53,038.42
  6. Step 6: Final answer
    x = 28,937.04

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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.