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Finding the Fourth Proportional to 30,779.41, 46,152.71 and 15,973.42

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Solution

The fourth proportional to 30,779.41, 46,152.71 and 15,973.42 is: 23,951.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,779.41 : 46,152.71 = 15,973.42 : x
  2. Step 2: Convert to fraction form
    30,779.41/46,152.71 = 15,973.42/x
  3. Step 3: Cross multiply
    30,779.41x = 46,152.71 × 15,973.42
  4. Step 4: Simplify right side
    30,779.41x = 737,216,541.10
  5. Step 5: Solve for x
    x = 737,216,541.10/30,779.41
  6. Step 6: Final answer
    x = 23,951.61

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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.