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Finding the Fourth Proportional to 55,885.93, 83,818.96 and 18,446.51

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Solution

The fourth proportional to 55,885.93, 83,818.96 and 18,446.51 is: 27,666.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,885.93 : 83,818.96 = 18,446.51 : x
  2. Step 2: Convert to fraction form
    55,885.93/83,818.96 = 18,446.51/x
  3. Step 3: Cross multiply
    55,885.93x = 83,818.96 × 18,446.51
  4. Step 4: Simplify right side
    55,885.93x = 1,546,167,283.83
  5. Step 5: Solve for x
    x = 1,546,167,283.83/55,885.93
  6. Step 6: Final answer
    x = 27,666.49

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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.