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Finding the Fourth Proportional to 46,781.60, 70,200.06 and 17,220.20

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Solution

The fourth proportional to 46,781.60, 70,200.06 and 17,220.20 is: 25,840.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,781.60 : 70,200.06 = 17,220.20 : x
  2. Step 2: Convert to fraction form
    46,781.60/70,200.06 = 17,220.20/x
  3. Step 3: Cross multiply
    46,781.60x = 70,200.06 × 17,220.20
  4. Step 4: Simplify right side
    46,781.60x = 1,208,859,073.21
  5. Step 5: Solve for x
    x = 1,208,859,073.21/46,781.60
  6. Step 6: Final answer
    x = 25,840.48

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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.