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Finding the Fourth Proportional to 9,913.59, 14,859.45 and 4,065.19

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Solution

The fourth proportional to 9,913.59, 14,859.45 and 4,065.19 is: 6,093.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,913.59 : 14,859.45 = 4,065.19 : x
  2. Step 2: Convert to fraction form
    9,913.59/14,859.45 = 4,065.19/x
  3. Step 3: Cross multiply
    9,913.59x = 14,859.45 × 4,065.19
  4. Step 4: Simplify right side
    9,913.59x = 60,406,450.40
  5. Step 5: Solve for x
    x = 60,406,450.40/9,913.59
  6. Step 6: Final answer
    x = 6,093.30

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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.