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Finding the Fourth Proportional to 32,465.72, 44,802.72 and 18,319.88

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Solution

The fourth proportional to 32,465.72, 44,802.72 and 18,319.88 is: 25,281.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,465.72 : 44,802.72 = 18,319.88 : x
  2. Step 2: Convert to fraction form
    32,465.72/44,802.72 = 18,319.88/x
  3. Step 3: Cross multiply
    32,465.72x = 44,802.72 × 18,319.88
  4. Step 4: Simplify right side
    32,465.72x = 820,780,230.06
  5. Step 5: Solve for x
    x = 820,780,230.06/32,465.72
  6. Step 6: Final answer
    x = 25,281.45

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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.