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Finding the Fourth Proportional to 28,062, 42,094.86 and 9,341.28

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Solution

The fourth proportional to 28,062, 42,094.86 and 9,341.28 is: 14,012.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,062 : 42,094.86 = 9,341.28 : x
  2. Step 2: Convert to fraction form
    28,062/42,094.86 = 9,341.28/x
  3. Step 3: Cross multiply
    28,062x = 42,094.86 × 9,341.28
  4. Step 4: Simplify right side
    28,062x = 393,219,873.82
  5. Step 5: Solve for x
    x = 393,219,873.82/28,062
  6. Step 6: Final answer
    x = 14,012.54

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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.