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Finding the Fourth Proportional to 58,872.84, 88,255.83 and 21,406.44

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Solution

The fourth proportional to 58,872.84, 88,255.83 and 21,406.44 is: 32,090.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,872.84 : 88,255.83 = 21,406.44 : x
  2. Step 2: Convert to fraction form
    58,872.84/88,255.83 = 21,406.44/x
  3. Step 3: Cross multiply
    58,872.84x = 88,255.83 × 21,406.44
  4. Step 4: Simplify right side
    58,872.84x = 1,889,243,129.55
  5. Step 5: Solve for x
    x = 1,889,243,129.55/58,872.84
  6. Step 6: Final answer
    x = 32,090.23

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1.5x scale

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.