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Finding the Fourth Proportional to 46,457.79, 69,695.09 and 16,917.09

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Solution

The fourth proportional to 46,457.79, 69,695.09 and 16,917.09 is: 25,378.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,457.79 : 69,695.09 = 16,917.09 : x
  2. Step 2: Convert to fraction form
    46,457.79/69,695.09 = 16,917.09/x
  3. Step 3: Cross multiply
    46,457.79x = 69,695.09 × 16,917.09
  4. Step 4: Simplify right side
    46,457.79x = 1,179,038,025.50
  5. Step 5: Solve for x
    x = 1,179,038,025.50/46,457.79
  6. Step 6: Final answer
    x = 25,378.69

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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.