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Finding the Fourth Proportional to 6,336,448.80, 8,893,423.20 and 6,336,448.80

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Solution

The fourth proportional to 6,336,448.80, 8,893,423.20 and 6,336,448.80 is: 8,893,423.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,336,448.80 : 8,893,423.20 = 6,336,448.80 : x
  2. Step 2: Convert to fraction form
    6,336,448.80/8,893,423.20 = 6,336,448.80/x
  3. Step 3: Cross multiply
    6,336,448.80x = 8,893,423.20 × 6,336,448.80
  4. Step 4: Simplify right side
    6,336,448.80x = 56,352,720,763,532.16
  5. Step 5: Solve for x
    x = 56,352,720,763,532.16/6,336,448.80
  6. Step 6: Final answer
    x = 8,893,423.20

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.