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Finding the Fourth Proportional to 34,997,999.80, 52,496,999.70 and 21,542,409.40

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Solution

The fourth proportional to 34,997,999.80, 52,496,999.70 and 21,542,409.40 is: 32,313,614.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,997,999.80 : 52,496,999.70 = 21,542,409.40 : x
  2. Step 2: Convert to fraction form
    34,997,999.80/52,496,999.70 = 21,542,409.40/x
  3. Step 3: Cross multiply
    34,997,999.80x = 52,496,999.70 × 21,542,409.40
  4. Step 4: Simplify right side
    34,997,999.80x = 1,130,911,859,809,077.25
  5. Step 5: Solve for x
    x = 1,130,911,859,809,077.25/34,997,999.80
  6. Step 6: Final answer
    x = 32,313,614.10

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1.5x scale

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.