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Finding the Fourth Proportional to 30,779.66, 46,153.08 and 15,973.67

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Solution

The fourth proportional to 30,779.66, 46,153.08 and 15,973.67 is: 23,951.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,779.66 : 46,153.08 = 15,973.67 : x
  2. Step 2: Convert to fraction form
    30,779.66/46,153.08 = 15,973.67/x
  3. Step 3: Cross multiply
    30,779.66x = 46,153.08 × 15,973.67
  4. Step 4: Simplify right side
    30,779.66x = 737,234,069.40
  5. Step 5: Solve for x
    x = 737,234,069.40/30,779.66
  6. Step 6: Final answer
    x = 23,951.99

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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.