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Finding the Fourth Proportional to 46,005.60, 69,024.60 and 19,718.40

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Solution

The fourth proportional to 46,005.60, 69,024.60 and 19,718.40 is: 29,584.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,005.60 : 69,024.60 = 19,718.40 : x
  2. Step 2: Convert to fraction form
    46,005.60/69,024.60 = 19,718.40/x
  3. Step 3: Cross multiply
    46,005.60x = 69,024.60 × 19,718.40
  4. Step 4: Simplify right side
    46,005.60x = 1,361,054,672.64
  5. Step 5: Solve for x
    x = 1,361,054,672.64/46,005.60
  6. Step 6: Final answer
    x = 29,584.54

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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.