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Finding the Fourth Proportional to 46,912.92, 64,736.46 and 25,688.76

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Solution

The fourth proportional to 46,912.92, 64,736.46 and 25,688.76 is: 35,448.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,912.92 : 64,736.46 = 25,688.76 : x
  2. Step 2: Convert to fraction form
    46,912.92/64,736.46 = 25,688.76/x
  3. Step 3: Cross multiply
    46,912.92x = 64,736.46 × 25,688.76
  4. Step 4: Simplify right side
    46,912.92x = 1,662,999,384.19
  5. Step 5: Solve for x
    x = 1,662,999,384.19/46,912.92
  6. Step 6: Final answer
    x = 35,448.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.