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Finding the Fourth Proportional to 58,783.98, 81,126.90 and 33,294.81

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Solution

The fourth proportional to 58,783.98, 81,126.90 and 33,294.81 is: 45,949.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,783.98 : 81,126.90 = 33,294.81 : x
  2. Step 2: Convert to fraction form
    58,783.98/81,126.90 = 33,294.81/x
  3. Step 3: Cross multiply
    58,783.98x = 81,126.90 × 33,294.81
  4. Step 4: Simplify right side
    58,783.98x = 2,701,104,721.39
  5. Step 5: Solve for x
    x = 2,701,104,721.39/58,783.98
  6. Step 6: Final answer
    x = 45,949.67

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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.