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Finding the Fourth Proportional to 32,831,985.40, 49,247,978.10 and 10,109,930.20

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Solution

The fourth proportional to 32,831,985.40, 49,247,978.10 and 10,109,930.20 is: 15,164,895.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,831,985.40 : 49,247,978.10 = 10,109,930.20 : x
  2. Step 2: Convert to fraction form
    32,831,985.40/49,247,978.10 = 10,109,930.20/x
  3. Step 3: Cross multiply
    32,831,985.40x = 49,247,978.10 × 10,109,930.20
  4. Step 4: Simplify right side
    32,831,985.40x = 497,893,621,082,128.62
  5. Step 5: Solve for x
    x = 497,893,621,082,128.62/32,831,985.40
  6. Step 6: Final answer
    x = 15,164,895.30

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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.