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Finding the Fourth Proportional to 8,584,994.70, 12,877,492.05 and 2,600,585.10

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Solution

The fourth proportional to 8,584,994.70, 12,877,492.05 and 2,600,585.10 is: 3,900,877.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,584,994.70 : 12,877,492.05 = 2,600,585.10 : x
  2. Step 2: Convert to fraction form
    8,584,994.70/12,877,492.05 = 2,600,585.10/x
  3. Step 3: Cross multiply
    8,584,994.70x = 12,877,492.05 × 2,600,585.10
  4. Step 4: Simplify right side
    8,584,994.70x = 33,489,013,950,598.46
  5. Step 5: Solve for x
    x = 33,489,013,950,598.46/8,584,994.70
  6. Step 6: Final answer
    x = 3,900,877.65

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Double scale
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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.