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Finding the Fourth Proportional to 5,619,400.35, 8,429,100.53 and 5,619,400.35

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Solution

The fourth proportional to 5,619,400.35, 8,429,100.53 and 5,619,400.35 is: 8,429,100.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,619,400.35 : 8,429,100.53 = 5,619,400.35 : x
  2. Step 2: Convert to fraction form
    5,619,400.35/8,429,100.53 = 5,619,400.35/x
  3. Step 3: Cross multiply
    5,619,400.35x = 8,429,100.53 × 5,619,400.35
  4. Step 4: Simplify right side
    5,619,400.35x = 47,366,490,440,370.18
  5. Step 5: Solve for x
    x = 47,366,490,440,370.18/5,619,400.35
  6. Step 6: Final answer
    x = 8,429,100.53

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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.