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Finding the Fourth Proportional to 30,779.91, 46,153.46 and 15,973.92

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Solution

The fourth proportional to 30,779.91, 46,153.46 and 15,973.92 is: 23,952.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,779.91 : 46,153.46 = 15,973.92 : x
  2. Step 2: Convert to fraction form
    30,779.91/46,153.46 = 15,973.92/x
  3. Step 3: Cross multiply
    30,779.91x = 46,153.46 × 15,973.92
  4. Step 4: Simplify right side
    30,779.91x = 737,251,597.89
  5. Step 5: Solve for x
    x = 737,251,597.89/30,779.91
  6. Step 6: Final answer
    x = 23,952.36

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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.