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Finding the Fourth Proportional to 57,303.54, 85,955.31 and 17,860.62

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Solution

The fourth proportional to 57,303.54, 85,955.31 and 17,860.62 is: 26,790.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,303.54 : 85,955.31 = 17,860.62 : x
  2. Step 2: Convert to fraction form
    57,303.54/85,955.31 = 17,860.62/x
  3. Step 3: Cross multiply
    57,303.54x = 85,955.31 × 17,860.62
  4. Step 4: Simplify right side
    57,303.54x = 1,535,215,128.89
  5. Step 5: Solve for x
    x = 1,535,215,128.89/57,303.54
  6. Step 6: Final answer
    x = 26,790.93

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Similar ratio
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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.