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Finding the Fourth Proportional to 31,256.74, 46,892.76 and 9,069.64

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Solution

The fourth proportional to 31,256.74, 46,892.76 and 9,069.64 is: 13,606.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,256.74 : 46,892.76 = 9,069.64 : x
  2. Step 2: Convert to fraction form
    31,256.74/46,892.76 = 9,069.64/x
  3. Step 3: Cross multiply
    31,256.74x = 46,892.76 × 9,069.64
  4. Step 4: Simplify right side
    31,256.74x = 425,300,451.81
  5. Step 5: Solve for x
    x = 425,300,451.81/31,256.74
  6. Step 6: Final answer
    x = 13,606.68

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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.