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Finding the Fourth Proportional to 28,550.01, 42,829.11 and 8,830.10

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Solution

The fourth proportional to 28,550.01, 42,829.11 and 8,830.10 is: 13,246.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,550.01 : 42,829.11 = 8,830.10 : x
  2. Step 2: Convert to fraction form
    28,550.01/42,829.11 = 8,830.10/x
  3. Step 3: Cross multiply
    28,550.01x = 42,829.11 × 8,830.10
  4. Step 4: Simplify right side
    28,550.01x = 378,185,110.07
  5. Step 5: Solve for x
    x = 378,185,110.07/28,550.01
  6. Step 6: Final answer
    x = 13,246.41

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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.