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Finding the Fourth Proportional to 29,802.40, 44,727.90 and 28,830.40

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Solution

The fourth proportional to 29,802.40, 44,727.90 and 28,830.40 is: 43,269.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,802.40 : 44,727.90 = 28,830.40 : x
  2. Step 2: Convert to fraction form
    29,802.40/44,727.90 = 28,830.40/x
  3. Step 3: Cross multiply
    29,802.40x = 44,727.90 × 28,830.40
  4. Step 4: Simplify right side
    29,802.40x = 1,289,523,248.16
  5. Step 5: Solve for x
    x = 1,289,523,248.16/29,802.40
  6. Step 6: Final answer
    x = 43,269.11

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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.