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Finding the Fourth Proportional to 16,399.99, 24,603.12 and 7,038.67

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Solution

The fourth proportional to 16,399.99, 24,603.12 and 7,038.67 is: 10,559.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,399.99 : 24,603.12 = 7,038.67 : x
  2. Step 2: Convert to fraction form
    16,399.99/24,603.12 = 7,038.67/x
  3. Step 3: Cross multiply
    16,399.99x = 24,603.12 × 7,038.67
  4. Step 4: Simplify right side
    16,399.99x = 173,173,242.65
  5. Step 5: Solve for x
    x = 173,173,242.65/16,399.99
  6. Step 6: Final answer
    x = 10,559.35

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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.