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Finding the Fourth Proportional to 16,616,064.60, 24,926,429.70 and 5,255,328.60

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Solution

The fourth proportional to 16,616,064.60, 24,926,429.70 and 5,255,328.60 is: 7,883,730.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,616,064.60 : 24,926,429.70 = 5,255,328.60 : x
  2. Step 2: Convert to fraction form
    16,616,064.60/24,926,429.70 = 5,255,328.60/x
  3. Step 3: Cross multiply
    16,616,064.60x = 24,926,429.70 × 5,255,328.60
  4. Step 4: Simplify right side
    16,616,064.60x = 130,996,578,898,299.41
  5. Step 5: Solve for x
    x = 130,996,578,898,299.41/16,616,064.60
  6. Step 6: Final answer
    x = 7,883,730.72

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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.