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Finding the Fourth Proportional to 45,420.26, 68,557.02 and 45,420.26

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Solution

The fourth proportional to 45,420.26, 68,557.02 and 45,420.26 is: 68,557.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,420.26 : 68,557.02 = 45,420.26 : x
  2. Step 2: Convert to fraction form
    45,420.26/68,557.02 = 45,420.26/x
  3. Step 3: Cross multiply
    45,420.26x = 68,557.02 × 45,420.26
  4. Step 4: Simplify right side
    45,420.26x = 3,113,877,388.28
  5. Step 5: Solve for x
    x = 3,113,877,388.28/45,420.26
  6. Step 6: Final answer
    x = 68,557.02

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.