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Finding the Fourth Proportional to 35,228.99, 48,621.01 and 21,804.57

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Solution

The fourth proportional to 35,228.99, 48,621.01 and 21,804.57 is: 30,093.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,228.99 : 48,621.01 = 21,804.57 : x
  2. Step 2: Convert to fraction form
    35,228.99/48,621.01 = 21,804.57/x
  3. Step 3: Cross multiply
    35,228.99x = 48,621.01 × 21,804.57
  4. Step 4: Simplify right side
    35,228.99x = 1,060,160,216.02
  5. Step 5: Solve for x
    x = 1,060,160,216.02/35,228.99
  6. Step 6: Final answer
    x = 30,093.40

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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.