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Finding the Fourth Proportional to 35,303.99, 48,720.27 and 19,388.49

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Solution

The fourth proportional to 35,303.99, 48,720.27 and 19,388.49 is: 26,756.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,303.99 : 48,720.27 = 19,388.49 : x
  2. Step 2: Convert to fraction form
    35,303.99/48,720.27 = 19,388.49/x
  3. Step 3: Cross multiply
    35,303.99x = 48,720.27 × 19,388.49
  4. Step 4: Simplify right side
    35,303.99x = 944,612,467.69
  5. Step 5: Solve for x
    x = 944,612,467.69/35,303.99
  6. Step 6: Final answer
    x = 26,756.54

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1.5x scale

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.