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Finding the Fourth Proportional to 70,464.78, 97,245.90 and 46,549.53

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Solution

The fourth proportional to 70,464.78, 97,245.90 and 46,549.53 is: 64,241.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,464.78 : 97,245.90 = 46,549.53 : x
  2. Step 2: Convert to fraction form
    70,464.78/97,245.90 = 46,549.53/x
  3. Step 3: Cross multiply
    70,464.78x = 97,245.90 × 46,549.53
  4. Step 4: Simplify right side
    70,464.78x = 4,526,750,939.43
  5. Step 5: Solve for x
    x = 4,526,750,939.43/70,464.78
  6. Step 6: Final answer
    x = 64,241.33

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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.