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Finding the Fourth Proportional to 34,883.01, 48,139.47 and 18,968.40

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Solution

The fourth proportional to 34,883.01, 48,139.47 and 18,968.40 is: 26,176.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,883.01 : 48,139.47 = 18,968.40 : x
  2. Step 2: Convert to fraction form
    34,883.01/48,139.47 = 18,968.40/x
  3. Step 3: Cross multiply
    34,883.01x = 48,139.47 × 18,968.40
  4. Step 4: Simplify right side
    34,883.01x = 913,128,722.75
  5. Step 5: Solve for x
    x = 913,128,722.75/34,883.01
  6. Step 6: Final answer
    x = 26,176.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.