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Finding the Fourth Proportional to 32,693.70, 44,975.74 and 28,642.30

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Solution

The fourth proportional to 32,693.70, 44,975.74 and 28,642.30 is: 39,402.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,693.70 : 44,975.74 = 28,642.30 : x
  2. Step 2: Convert to fraction form
    32,693.70/44,975.74 = 28,642.30/x
  3. Step 3: Cross multiply
    32,693.70x = 44,975.74 × 28,642.30
  4. Step 4: Simplify right side
    32,693.70x = 1,288,208,637.80
  5. Step 5: Solve for x
    x = 1,288,208,637.80/32,693.70
  6. Step 6: Final answer
    x = 39,402.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.