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Finding the Fourth Proportional to 46,725.76, 64,475.76 and 27,858.88

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Solution

The fourth proportional to 46,725.76, 64,475.76 and 27,858.88 is: 38,441.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,725.76 : 64,475.76 = 27,858.88 : x
  2. Step 2: Convert to fraction form
    46,725.76/64,475.76 = 27,858.88/x
  3. Step 3: Cross multiply
    46,725.76x = 64,475.76 × 27,858.88
  4. Step 4: Simplify right side
    46,725.76x = 1,796,222,460.75
  5. Step 5: Solve for x
    x = 1,796,222,460.75/46,725.76
  6. Step 6: Final answer
    x = 38,441.80

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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.