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Finding the Fourth Proportional to 10,984,990.70, 16,477,486.05 and 10,537,093.10

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Solution

The fourth proportional to 10,984,990.70, 16,477,486.05 and 10,537,093.10 is: 15,805,639.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,984,990.70 : 16,477,486.05 = 10,537,093.10 : x
  2. Step 2: Convert to fraction form
    10,984,990.70/16,477,486.05 = 10,537,093.10/x
  3. Step 3: Cross multiply
    10,984,990.70x = 16,477,486.05 × 10,537,093.10
  4. Step 4: Simplify right side
    10,984,990.70x = 173,624,804,562,801.25
  5. Step 5: Solve for x
    x = 173,624,804,562,801.25/10,984,990.70
  6. Step 6: Final answer
    x = 15,805,639.65

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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.