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Finding the Fourth Proportional to 58,280.94, 80,427.33 and 33,130.44

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Solution

The fourth proportional to 58,280.94, 80,427.33 and 33,130.44 is: 45,719.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,280.94 : 80,427.33 = 33,130.44 : x
  2. Step 2: Convert to fraction form
    58,280.94/80,427.33 = 33,130.44/x
  3. Step 3: Cross multiply
    58,280.94x = 80,427.33 × 33,130.44
  4. Step 4: Simplify right side
    58,280.94x = 2,664,592,830.93
  5. Step 5: Solve for x
    x = 2,664,592,830.93/58,280.94
  6. Step 6: Final answer
    x = 45,719.80

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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.