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Finding the Fourth Proportional to 46,342.40, 69,513.60 and 26,659.40

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Solution

The fourth proportional to 46,342.40, 69,513.60 and 26,659.40 is: 39,989.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,342.40 : 69,513.60 = 26,659.40 : x
  2. Step 2: Convert to fraction form
    46,342.40/69,513.60 = 26,659.40/x
  3. Step 3: Cross multiply
    46,342.40x = 69,513.60 × 26,659.40
  4. Step 4: Simplify right side
    46,342.40x = 1,853,190,867.84
  5. Step 5: Solve for x
    x = 1,853,190,867.84/46,342.40
  6. Step 6: Final answer
    x = 39,989.10

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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.