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Finding the Fourth Proportional to 9,907,714.80, 13,332,899.70 and 9,907,714.80

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Solution

The fourth proportional to 9,907,714.80, 13,332,899.70 and 9,907,714.80 is: 13,332,899.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,907,714.80 : 13,332,899.70 = 9,907,714.80 : x
  2. Step 2: Convert to fraction form
    9,907,714.80/13,332,899.70 = 9,907,714.80/x
  3. Step 3: Cross multiply
    9,907,714.80x = 13,332,899.70 × 9,907,714.80
  4. Step 4: Simplify right side
    9,907,714.80x = 132,098,567,684,605.56
  5. Step 5: Solve for x
    x = 132,098,567,684,605.56/9,907,714.80
  6. Step 6: Final answer
    x = 13,332,899.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.