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Finding the Fourth Proportional to 55,662.56, 83,492.69 and 13,542.87

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Solution

The fourth proportional to 55,662.56, 83,492.69 and 13,542.87 is: 20,314.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,662.56 : 83,492.69 = 13,542.87 : x
  2. Step 2: Convert to fraction form
    55,662.56/83,492.69 = 13,542.87/x
  3. Step 3: Cross multiply
    55,662.56x = 83,492.69 × 13,542.87
  4. Step 4: Simplify right side
    55,662.56x = 1,130,730,646.62
  5. Step 5: Solve for x
    x = 1,130,730,646.62/55,662.56
  6. Step 6: Final answer
    x = 20,314.03

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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.