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Finding the Fourth Proportional to 46,657.20, 69,985.80 and 23,329.20

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Solution

The fourth proportional to 46,657.20, 69,985.80 and 23,329.20 is: 34,993.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,657.20 : 69,985.80 = 23,329.20 : x
  2. Step 2: Convert to fraction form
    46,657.20/69,985.80 = 23,329.20/x
  3. Step 3: Cross multiply
    46,657.20x = 69,985.80 × 23,329.20
  4. Step 4: Simplify right side
    46,657.20x = 1,632,712,725.36
  5. Step 5: Solve for x
    x = 1,632,712,725.36/46,657.20
  6. Step 6: Final answer
    x = 34,993.80

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Double scale
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Similar ratio
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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.