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Finding the Fourth Proportional to 46,779.99, 70,174.71 and 15,188.73

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Solution

The fourth proportional to 46,779.99, 70,174.71 and 15,188.73 is: 22,784.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,779.99 : 70,174.71 = 15,188.73 : x
  2. Step 2: Convert to fraction form
    46,779.99/70,174.71 = 15,188.73/x
  3. Step 3: Cross multiply
    46,779.99x = 70,174.71 × 15,188.73
  4. Step 4: Simplify right side
    46,779.99x = 1,065,864,723.02
  5. Step 5: Solve for x
    x = 1,065,864,723.02/46,779.99
  6. Step 6: Final answer
    x = 22,784.63

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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.