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Finding the Fourth Proportional to 54,666.70, 82,000.05 and 19,601.80

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Solution

The fourth proportional to 54,666.70, 82,000.05 and 19,601.80 is: 29,402.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,666.70 : 82,000.05 = 19,601.80 : x
  2. Step 2: Convert to fraction form
    54,666.70/82,000.05 = 19,601.80/x
  3. Step 3: Cross multiply
    54,666.70x = 82,000.05 × 19,601.80
  4. Step 4: Simplify right side
    54,666.70x = 1,607,348,580.09
  5. Step 5: Solve for x
    x = 1,607,348,580.09/54,666.70
  6. Step 6: Final answer
    x = 29,402.70

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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.