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Finding the Fourth Proportional to 26,335, 36,342.32 and 15,157

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Solution

The fourth proportional to 26,335, 36,342.32 and 15,157 is: 20,916.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,335 : 36,342.32 = 15,157 : x
  2. Step 2: Convert to fraction form
    26,335/36,342.32 = 15,157/x
  3. Step 3: Cross multiply
    26,335x = 36,342.32 × 15,157
  4. Step 4: Simplify right side
    26,335x = 550,840,544.24
  5. Step 5: Solve for x
    x = 550,840,544.24/26,335
  6. Step 6: Final answer
    x = 20,916.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.