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Finding the Fourth Proportional to 56,858.44, 85,109.08 and 46,905.16

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Solution

The fourth proportional to 56,858.44, 85,109.08 and 46,905.16 is: 70,210.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,858.44 : 85,109.08 = 46,905.16 : x
  2. Step 2: Convert to fraction form
    56,858.44/85,109.08 = 46,905.16/x
  3. Step 3: Cross multiply
    56,858.44x = 85,109.08 × 46,905.16
  4. Step 4: Simplify right side
    56,858.44x = 3,992,055,014.85
  5. Step 5: Solve for x
    x = 3,992,055,014.85/56,858.44
  6. Step 6: Final answer
    x = 70,210.42

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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.