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Finding the Fourth Proportional to 57,777.40, 86,666.10 and 26,673.40

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Solution

The fourth proportional to 57,777.40, 86,666.10 and 26,673.40 is: 40,010.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,777.40 : 86,666.10 = 26,673.40 : x
  2. Step 2: Convert to fraction form
    57,777.40/86,666.10 = 26,673.40/x
  3. Step 3: Cross multiply
    57,777.40x = 86,666.10 × 26,673.40
  4. Step 4: Simplify right side
    57,777.40x = 2,311,679,551.74
  5. Step 5: Solve for x
    x = 2,311,679,551.74/57,777.40
  6. Step 6: Final answer
    x = 40,010.10

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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.