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Finding the Fourth Proportional to 28,842.66, 43,262.34 and 8,852.10

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Solution

The fourth proportional to 28,842.66, 43,262.34 and 8,852.10 is: 13,277.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,842.66 : 43,262.34 = 8,852.10 : x
  2. Step 2: Convert to fraction form
    28,842.66/43,262.34 = 8,852.10/x
  3. Step 3: Cross multiply
    28,842.66x = 43,262.34 × 8,852.10
  4. Step 4: Simplify right side
    28,842.66x = 382,962,559.91
  5. Step 5: Solve for x
    x = 382,962,559.91/28,842.66
  6. Step 6: Final answer
    x = 13,277.64

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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.