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Finding the Fourth Proportional to 22,019,920.23, 33,029,880.35 and 22,019,920.23

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Solution

The fourth proportional to 22,019,920.23, 33,029,880.35 and 22,019,920.23 is: 33,029,880.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,019,920.23 : 33,029,880.35 = 22,019,920.23 : x
  2. Step 2: Convert to fraction form
    22,019,920.23/33,029,880.35 = 22,019,920.23/x
  3. Step 3: Cross multiply
    22,019,920.23x = 33,029,880.35 × 22,019,920.23
  4. Step 4: Simplify right side
    22,019,920.23x = 727,315,330,513,444.50
  5. Step 5: Solve for x
    x = 727,315,330,513,444.50/22,019,920.23
  6. Step 6: Final answer
    x = 33,029,880.35

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Double scale
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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.