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Finding the Fourth Proportional to 62,152, 93,228.72 and 15,405.28

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Solution

The fourth proportional to 62,152, 93,228.72 and 15,405.28 is: 23,108.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,152 : 93,228.72 = 15,405.28 : x
  2. Step 2: Convert to fraction form
    62,152/93,228.72 = 15,405.28/x
  3. Step 3: Cross multiply
    62,152x = 93,228.72 × 15,405.28
  4. Step 4: Simplify right side
    62,152x = 1,436,214,535.64
  5. Step 5: Solve for x
    x = 1,436,214,535.64/62,152
  6. Step 6: Final answer
    x = 23,108.10

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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.