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Finding the Fourth Proportional to 34,607.76, 51,870.28 and 19,826.80

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Solution

The fourth proportional to 34,607.76, 51,870.28 and 19,826.80 is: 29,716.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,607.76 : 51,870.28 = 19,826.80 : x
  2. Step 2: Convert to fraction form
    34,607.76/51,870.28 = 19,826.80/x
  3. Step 3: Cross multiply
    34,607.76x = 51,870.28 × 19,826.80
  4. Step 4: Simplify right side
    34,607.76x = 1,028,421,667.50
  5. Step 5: Solve for x
    x = 1,028,421,667.50/34,607.76
  6. Step 6: Final answer
    x = 29,716.50

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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.