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Finding the Fourth Proportional to 9,801.52, 14,705.70 and 4,607.80

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Solution

The fourth proportional to 9,801.52, 14,705.70 and 4,607.80 is: 6,913.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,801.52 : 14,705.70 = 4,607.80 : x
  2. Step 2: Convert to fraction form
    9,801.52/14,705.70 = 4,607.80/x
  3. Step 3: Cross multiply
    9,801.52x = 14,705.70 × 4,607.80
  4. Step 4: Simplify right side
    9,801.52x = 67,760,924.46
  5. Step 5: Solve for x
    x = 67,760,924.46/9,801.52
  6. Step 6: Final answer
    x = 6,913.31

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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.