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Finding the Fourth Proportional to 9,870.47, 14,808.02 and 6,751.95

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Solution

The fourth proportional to 9,870.47, 14,808.02 and 6,751.95 is: 10,129.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,870.47 : 14,808.02 = 6,751.95 : x
  2. Step 2: Convert to fraction form
    9,870.47/14,808.02 = 6,751.95/x
  3. Step 3: Cross multiply
    9,870.47x = 14,808.02 × 6,751.95
  4. Step 4: Simplify right side
    9,870.47x = 99,983,010.64
  5. Step 5: Solve for x
    x = 99,983,010.64/9,870.47
  6. Step 6: Final answer
    x = 10,129.51

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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.