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Finding the Fourth Proportional to 9,030.87, 13,567.11 and 6,404.88

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Solution

The fourth proportional to 9,030.87, 13,567.11 and 6,404.88 is: 9,622.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,030.87 : 13,567.11 = 6,404.88 : x
  2. Step 2: Convert to fraction form
    9,030.87/13,567.11 = 6,404.88/x
  3. Step 3: Cross multiply
    9,030.87x = 13,567.11 × 6,404.88
  4. Step 4: Simplify right side
    9,030.87x = 86,895,711.50
  5. Step 5: Solve for x
    x = 86,895,711.50/9,030.87
  6. Step 6: Final answer
    x = 9,622.08

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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.