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Finding the Fourth Proportional to 19,000.53, 28,502.41 and 4,962.42

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Solution

The fourth proportional to 19,000.53, 28,502.41 and 4,962.42 is: 7,444.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,000.53 : 28,502.41 = 4,962.42 : x
  2. Step 2: Convert to fraction form
    19,000.53/28,502.41 = 4,962.42/x
  3. Step 3: Cross multiply
    19,000.53x = 28,502.41 × 4,962.42
  4. Step 4: Simplify right side
    19,000.53x = 141,440,929.43
  5. Step 5: Solve for x
    x = 141,440,929.43/19,000.53
  6. Step 6: Final answer
    x = 7,444.05

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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.