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Finding the Fourth Proportional to 75,323.00, 112,984.47 and 28,575.88

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Solution

The fourth proportional to 75,323.00, 112,984.47 and 28,575.88 is: 42,863.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,323.00 : 112,984.47 = 28,575.88 : x
  2. Step 2: Convert to fraction form
    75,323.00/112,984.47 = 28,575.88/x
  3. Step 3: Cross multiply
    75,323.00x = 112,984.47 × 28,575.88
  4. Step 4: Simplify right side
    75,323.00x = 3,228,630,374.12
  5. Step 5: Solve for x
    x = 3,228,630,374.12/75,323.00
  6. Step 6: Final answer
    x = 42,863.80

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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.