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Finding the Fourth Proportional to 62,503.92, 93,756.51 and 15,756.80

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Solution

The fourth proportional to 62,503.92, 93,756.51 and 15,756.80 is: 23,635.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,503.92 : 93,756.51 = 15,756.80 : x
  2. Step 2: Convert to fraction form
    62,503.92/93,756.51 = 15,756.80/x
  3. Step 3: Cross multiply
    62,503.92x = 93,756.51 × 15,756.80
  4. Step 4: Simplify right side
    62,503.92x = 1,477,302,107.99
  5. Step 5: Solve for x
    x = 1,477,302,107.99/62,503.92
  6. Step 6: Final answer
    x = 23,635.35

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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.