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Finding the Fourth Proportional to 30,801.21, 46,207.52 and 9,746.55

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Solution

The fourth proportional to 30,801.21, 46,207.52 and 9,746.55 is: 14,621.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,801.21 : 46,207.52 = 9,746.55 : x
  2. Step 2: Convert to fraction form
    30,801.21/46,207.52 = 9,746.55/x
  3. Step 3: Cross multiply
    30,801.21x = 46,207.52 × 9,746.55
  4. Step 4: Simplify right side
    30,801.21x = 450,363,904.06
  5. Step 5: Solve for x
    x = 450,363,904.06/30,801.21
  6. Step 6: Final answer
    x = 14,621.63

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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.