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Finding the Fourth Proportional to 36,419.40, 49,114.26 and 36,419.40

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Solution

The fourth proportional to 36,419.40, 49,114.26 and 36,419.40 is: 49,114.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,419.40 : 49,114.26 = 36,419.40 : x
  2. Step 2: Convert to fraction form
    36,419.40/49,114.26 = 36,419.40/x
  3. Step 3: Cross multiply
    36,419.40x = 49,114.26 × 36,419.40
  4. Step 4: Simplify right side
    36,419.40x = 1,788,711,880.64
  5. Step 5: Solve for x
    x = 1,788,711,880.64/36,419.40
  6. Step 6: Final answer
    x = 49,114.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.