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Finding the Fourth Proportional to 53,683.93, 80,492.80 and 18,141.89

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Solution

The fourth proportional to 53,683.93, 80,492.80 and 18,141.89 is: 27,201.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,683.93 : 80,492.80 = 18,141.89 : x
  2. Step 2: Convert to fraction form
    53,683.93/80,492.80 = 18,141.89/x
  3. Step 3: Cross multiply
    53,683.93x = 80,492.80 × 18,141.89
  4. Step 4: Simplify right side
    53,683.93x = 1,460,291,713.29
  5. Step 5: Solve for x
    x = 1,460,291,713.29/53,683.93
  6. Step 6: Final answer
    x = 27,201.66

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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.