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Finding the Fourth Proportional to 30,746.70, 46,106.55 and 14,101.20

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Solution

The fourth proportional to 30,746.70, 46,106.55 and 14,101.20 is: 21,145.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,746.70 : 46,106.55 = 14,101.20 : x
  2. Step 2: Convert to fraction form
    30,746.70/46,106.55 = 14,101.20/x
  3. Step 3: Cross multiply
    30,746.70x = 46,106.55 × 14,101.20
  4. Step 4: Simplify right side
    30,746.70x = 650,157,682.86
  5. Step 5: Solve for x
    x = 650,157,682.86/30,746.70
  6. Step 6: Final answer
    x = 21,145.61

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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.