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Finding the Fourth Proportional to 46,778.40, 69,990.48 and 26,016.48

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Solution

The fourth proportional to 46,778.40, 69,990.48 and 26,016.48 is: 38,926.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,778.40 : 69,990.48 = 26,016.48 : x
  2. Step 2: Convert to fraction form
    46,778.40/69,990.48 = 26,016.48/x
  3. Step 3: Cross multiply
    46,778.40x = 69,990.48 × 26,016.48
  4. Step 4: Simplify right side
    46,778.40x = 1,820,905,923.11
  5. Step 5: Solve for x
    x = 1,820,905,923.11/46,778.40
  6. Step 6: Final answer
    x = 38,926.21

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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.