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Finding the Fourth Proportional to 8,984,279.40, 13,478,168.70 and 2,594,740.20

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Solution

The fourth proportional to 8,984,279.40, 13,478,168.70 and 2,594,740.20 is: 3,892,615.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,984,279.40 : 13,478,168.70 = 2,594,740.20 : x
  2. Step 2: Convert to fraction form
    8,984,279.40/13,478,168.70 = 2,594,740.20/x
  3. Step 3: Cross multiply
    8,984,279.40x = 13,478,168.70 × 2,594,740.20
  4. Step 4: Simplify right side
    8,984,279.40x = 34,972,346,148,271.74
  5. Step 5: Solve for x
    x = 34,972,346,148,271.74/8,984,279.40
  6. Step 6: Final answer
    x = 3,892,615.60

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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.