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Finding the Fourth Proportional to 46,668.76, 70,027.74 and 20,342.75

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Solution

The fourth proportional to 46,668.76, 70,027.74 and 20,342.75 is: 30,524.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,668.76 : 70,027.74 = 20,342.75 : x
  2. Step 2: Convert to fraction form
    46,668.76/70,027.74 = 20,342.75/x
  3. Step 3: Cross multiply
    46,668.76x = 70,027.74 × 20,342.75
  4. Step 4: Simplify right side
    46,668.76x = 1,424,556,457.75
  5. Step 5: Solve for x
    x = 1,424,556,457.75/46,668.76
  6. Step 6: Final answer
    x = 30,524.84

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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.