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Finding the Fourth Proportional to 53,151.56, 79,741.12 and 15,710.12

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Solution

The fourth proportional to 53,151.56, 79,741.12 and 15,710.12 is: 23,569.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,151.56 : 79,741.12 = 15,710.12 : x
  2. Step 2: Convert to fraction form
    53,151.56/79,741.12 = 15,710.12/x
  3. Step 3: Cross multiply
    53,151.56x = 79,741.12 × 15,710.12
  4. Step 4: Simplify right side
    53,151.56x = 1,252,742,564.13
  5. Step 5: Solve for x
    x = 1,252,742,564.13/53,151.56
  6. Step 6: Final answer
    x = 23,569.25

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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.