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Finding the Fourth Proportional to 8,584,886.70, 12,877,330.05 and 2,600,477.10

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Solution

The fourth proportional to 8,584,886.70, 12,877,330.05 and 2,600,477.10 is: 3,900,715.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,584,886.70 : 12,877,330.05 = 2,600,477.10 : x
  2. Step 2: Convert to fraction form
    8,584,886.70/12,877,330.05 = 2,600,477.10/x
  3. Step 3: Cross multiply
    8,584,886.70x = 12,877,330.05 × 2,600,477.10
  4. Step 4: Simplify right side
    8,584,886.70x = 33,487,201,904,166.86
  5. Step 5: Solve for x
    x = 33,487,201,904,166.86/8,584,886.70
  6. Step 6: Final answer
    x = 3,900,715.65

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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.