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Finding the Fourth Proportional to 19,033.56, 28,533.90 and 7,354.98

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Solution

The fourth proportional to 19,033.56, 28,533.90 and 7,354.98 is: 11,026.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,033.56 : 28,533.90 = 7,354.98 : x
  2. Step 2: Convert to fraction form
    19,033.56/28,533.90 = 7,354.98/x
  3. Step 3: Cross multiply
    19,033.56x = 28,533.90 × 7,354.98
  4. Step 4: Simplify right side
    19,033.56x = 209,866,263.82
  5. Step 5: Solve for x
    x = 209,866,263.82/19,033.56
  6. Step 6: Final answer
    x = 11,026.12

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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.