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Finding the Fourth Proportional to 34,548.59, 47,673.59 and 19,440.87

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Solution

The fourth proportional to 34,548.59, 47,673.59 and 19,440.87 is: 26,826.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,548.59 : 47,673.59 = 19,440.87 : x
  2. Step 2: Convert to fraction form
    34,548.59/47,673.59 = 19,440.87/x
  3. Step 3: Cross multiply
    34,548.59x = 47,673.59 × 19,440.87
  4. Step 4: Simplify right side
    34,548.59x = 926,815,968.42
  5. Step 5: Solve for x
    x = 926,815,968.42/34,548.59
  6. Step 6: Final answer
    x = 26,826.45

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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.