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Finding the Fourth Proportional to 19,920,033.40, 29,838,059.70 and 19,920,033.40

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Solution

The fourth proportional to 19,920,033.40, 29,838,059.70 and 19,920,033.40 is: 29,838,059.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,920,033.40 : 29,838,059.70 = 19,920,033.40 : x
  2. Step 2: Convert to fraction form
    19,920,033.40/29,838,059.70 = 19,920,033.40/x
  3. Step 3: Cross multiply
    19,920,033.40x = 29,838,059.70 × 19,920,033.40
  4. Step 4: Simplify right side
    19,920,033.40x = 594,375,145,815,193.88
  5. Step 5: Solve for x
    x = 594,375,145,815,193.88/19,920,033.40
  6. Step 6: Final answer
    x = 29,838,059.70

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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.