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Finding the Fourth Proportional to 46,389.44, 69,584.16 and 16,807.20

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Solution

The fourth proportional to 46,389.44, 69,584.16 and 16,807.20 is: 25,210.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,389.44 : 69,584.16 = 16,807.20 : x
  2. Step 2: Convert to fraction form
    46,389.44/69,584.16 = 16,807.20/x
  3. Step 3: Cross multiply
    46,389.44x = 69,584.16 × 16,807.20
  4. Step 4: Simplify right side
    46,389.44x = 1,169,514,893.95
  5. Step 5: Solve for x
    x = 1,169,514,893.95/46,389.44
  6. Step 6: Final answer
    x = 25,210.80

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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.