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Finding the Fourth Proportional to 69,501.60, 95,912.28 and 37,670.40

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Solution

The fourth proportional to 69,501.60, 95,912.28 and 37,670.40 is: 51,985.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,501.60 : 95,912.28 = 37,670.40 : x
  2. Step 2: Convert to fraction form
    69,501.60/95,912.28 = 37,670.40/x
  3. Step 3: Cross multiply
    69,501.60x = 95,912.28 × 37,670.40
  4. Step 4: Simplify right side
    69,501.60x = 3,613,053,952.51
  5. Step 5: Solve for x
    x = 3,613,053,952.51/69,501.60
  6. Step 6: Final answer
    x = 51,985.19

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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.