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Finding the Fourth Proportional to 34,648.40, 51,973.80 and 10,956.20

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Solution

The fourth proportional to 34,648.40, 51,973.80 and 10,956.20 is: 16,434.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,648.40 : 51,973.80 = 10,956.20 : x
  2. Step 2: Convert to fraction form
    34,648.40/51,973.80 = 10,956.20/x
  3. Step 3: Cross multiply
    34,648.40x = 51,973.80 × 10,956.20
  4. Step 4: Simplify right side
    34,648.40x = 569,435,347.56
  5. Step 5: Solve for x
    x = 569,435,347.56/34,648.40
  6. Step 6: Final answer
    x = 16,434.68

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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.