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Finding the Fourth Proportional to 35,803.66, 49,409.73 and 19,889.59

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Solution

The fourth proportional to 35,803.66, 49,409.73 and 19,889.59 is: 27,448.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,803.66 : 49,409.73 = 19,889.59 : x
  2. Step 2: Convert to fraction form
    35,803.66/49,409.73 = 19,889.59/x
  3. Step 3: Cross multiply
    35,803.66x = 49,409.73 × 19,889.59
  4. Step 4: Simplify right side
    35,803.66x = 982,739,271.71
  5. Step 5: Solve for x
    x = 982,739,271.71/35,803.66
  6. Step 6: Final answer
    x = 27,448.01

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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.