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Finding the Fourth Proportional to 30,963.84, 46,445.22 and 7,590.48

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Solution

The fourth proportional to 30,963.84, 46,445.22 and 7,590.48 is: 11,385.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,963.84 : 46,445.22 = 7,590.48 : x
  2. Step 2: Convert to fraction form
    30,963.84/46,445.22 = 7,590.48/x
  3. Step 3: Cross multiply
    30,963.84x = 46,445.22 × 7,590.48
  4. Step 4: Simplify right side
    30,963.84x = 352,541,513.51
  5. Step 5: Solve for x
    x = 352,541,513.51/30,963.84
  6. Step 6: Final answer
    x = 11,385.59

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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.