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Finding the Fourth Proportional to 35,856.47, 53,768.00 and 13,655.99

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Solution

The fourth proportional to 35,856.47, 53,768.00 and 13,655.99 is: 20,477.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,856.47 : 53,768.00 = 13,655.99 : x
  2. Step 2: Convert to fraction form
    35,856.47/53,768.00 = 13,655.99/x
  3. Step 3: Cross multiply
    35,856.47x = 53,768.00 × 13,655.99
  4. Step 4: Simplify right side
    35,856.47x = 734,255,438.88
  5. Step 5: Solve for x
    x = 734,255,438.88/35,856.47
  6. Step 6: Final answer
    x = 20,477.63

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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.