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Finding the Fourth Proportional to 57,312.30, 85,895.55 and 27,666.30

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Solution

The fourth proportional to 57,312.30, 85,895.55 and 27,666.30 is: 41,464.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,312.30 : 85,895.55 = 27,666.30 : x
  2. Step 2: Convert to fraction form
    57,312.30/85,895.55 = 27,666.30/x
  3. Step 3: Cross multiply
    57,312.30x = 85,895.55 × 27,666.30
  4. Step 4: Simplify right side
    57,312.30x = 2,376,412,054.97
  5. Step 5: Solve for x
    x = 2,376,412,054.97/57,312.30
  6. Step 6: Final answer
    x = 41,464.26

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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.