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Finding the Fourth Proportional to 30,425.94, 45,584.10 and 28,596.06

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Solution

The fourth proportional to 30,425.94, 45,584.10 and 28,596.06 is: 42,842.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,425.94 : 45,584.10 = 28,596.06 : x
  2. Step 2: Convert to fraction form
    30,425.94/45,584.10 = 28,596.06/x
  3. Step 3: Cross multiply
    30,425.94x = 45,584.10 × 28,596.06
  4. Step 4: Simplify right side
    30,425.94x = 1,303,525,658.65
  5. Step 5: Solve for x
    x = 1,303,525,658.65/30,425.94
  6. Step 6: Final answer
    x = 42,842.58

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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.