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Finding the Fourth Proportional to 6,645,615.17, 9,968,421.69 and 1,596,925.67

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Solution

The fourth proportional to 6,645,615.17, 9,968,421.69 and 1,596,925.67 is: 2,395,388.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,645,615.17 : 9,968,421.69 = 1,596,925.67 : x
  2. Step 2: Convert to fraction form
    6,645,615.17/9,968,421.69 = 1,596,925.67/x
  3. Step 3: Cross multiply
    6,645,615.17x = 9,968,421.69 × 1,596,925.67
  4. Step 4: Simplify right side
    6,645,615.17x = 15,918,828,436,303.67
  5. Step 5: Solve for x
    x = 15,918,828,436,303.67/6,645,615.17
  6. Step 6: Final answer
    x = 2,395,388.24

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Double scale
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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.