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Finding the Fourth Proportional to 9,890.91, 14,804.37 and 6,560.19

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Solution

The fourth proportional to 9,890.91, 14,804.37 and 6,560.19 is: 9,819.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,890.91 : 14,804.37 = 6,560.19 : x
  2. Step 2: Convert to fraction form
    9,890.91/14,804.37 = 6,560.19/x
  3. Step 3: Cross multiply
    9,890.91x = 14,804.37 × 6,560.19
  4. Step 4: Simplify right side
    9,890.91x = 97,119,480.03
  5. Step 5: Solve for x
    x = 97,119,480.03/9,890.91
  6. Step 6: Final answer
    x = 9,819.06

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1.5x scale

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.