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Finding the Fourth Proportional to 8,711.99, 13,069.45 and 4,030.09

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Solution

The fourth proportional to 8,711.99, 13,069.45 and 4,030.09 is: 6,045.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,711.99 : 13,069.45 = 4,030.09 : x
  2. Step 2: Convert to fraction form
    8,711.99/13,069.45 = 4,030.09/x
  3. Step 3: Cross multiply
    8,711.99x = 13,069.45 × 4,030.09
  4. Step 4: Simplify right side
    8,711.99x = 52,671,032.11
  5. Step 5: Solve for x
    x = 52,671,032.11/8,711.99
  6. Step 6: Final answer
    x = 6,045.81

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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.