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Finding the Fourth Proportional to 8,411,420.54, 11,607,745.64 and 4,543,929.74

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Solution

The fourth proportional to 8,411,420.54, 11,607,745.64 and 4,543,929.74 is: 6,270,615.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,411,420.54 : 11,607,745.64 = 4,543,929.74 : x
  2. Step 2: Convert to fraction form
    8,411,420.54/11,607,745.64 = 4,543,929.74/x
  3. Step 3: Cross multiply
    8,411,420.54x = 11,607,745.64 × 4,543,929.74
  4. Step 4: Simplify right side
    8,411,420.54x = 52,744,780,627,951.34
  5. Step 5: Solve for x
    x = 52,744,780,627,951.34/8,411,420.54
  6. Step 6: Final answer
    x = 6,270,615.10

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.