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Finding the Fourth Proportional to 15,925.93, 23,889.44 and 7,160.87

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Solution

The fourth proportional to 15,925.93, 23,889.44 and 7,160.87 is: 10,741.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,925.93 : 23,889.44 = 7,160.87 : x
  2. Step 2: Convert to fraction form
    15,925.93/23,889.44 = 7,160.87/x
  3. Step 3: Cross multiply
    15,925.93x = 23,889.44 × 7,160.87
  4. Step 4: Simplify right side
    15,925.93x = 171,069,174.21
  5. Step 5: Solve for x
    x = 171,069,174.21/15,925.93
  6. Step 6: Final answer
    x = 10,741.55

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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.