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Finding the Fourth Proportional to 9,775,907.20, 13,714,613.60 and 9,775,907.20

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Solution

The fourth proportional to 9,775,907.20, 13,714,613.60 and 9,775,907.20 is: 13,714,613.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,775,907.20 : 13,714,613.60 = 9,775,907.20 : x
  2. Step 2: Convert to fraction form
    9,775,907.20/13,714,613.60 = 9,775,907.20/x
  3. Step 3: Cross multiply
    9,775,907.20x = 13,714,613.60 × 9,775,907.20
  4. Step 4: Simplify right side
    9,775,907.20x = 134,072,789,837,457.91
  5. Step 5: Solve for x
    x = 134,072,789,837,457.91/9,775,907.20
  6. Step 6: Final answer
    x = 13,714,613.60

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.