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Finding the Fourth Proportional to 58,775.30, 81,110.86 and 33,280.98

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Solution

The fourth proportional to 58,775.30, 81,110.86 and 33,280.98 is: 45,928.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,775.30 : 81,110.86 = 33,280.98 : x
  2. Step 2: Convert to fraction form
    58,775.30/81,110.86 = 33,280.98/x
  3. Step 3: Cross multiply
    58,775.30x = 81,110.86 × 33,280.98
  4. Step 4: Simplify right side
    58,775.30x = 2,699,448,475.27
  5. Step 5: Solve for x
    x = 2,699,448,475.27/58,775.30
  6. Step 6: Final answer
    x = 45,928.28

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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.