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Finding the Fourth Proportional to 9,968,455.65, 14,952,683.48 and 2,395,421.40

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Solution

The fourth proportional to 9,968,455.65, 14,952,683.48 and 2,395,421.40 is: 3,593,132.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,968,455.65 : 14,952,683.48 = 2,395,421.40 : x
  2. Step 2: Convert to fraction form
    9,968,455.65/14,952,683.48 = 2,395,421.40/x
  3. Step 3: Cross multiply
    9,968,455.65x = 14,952,683.48 × 2,395,421.40
  4. Step 4: Simplify right side
    9,968,455.65x = 35,817,977,983,441.36
  5. Step 5: Solve for x
    x = 35,817,977,983,441.36/9,968,455.65
  6. Step 6: Final answer
    x = 3,593,132.10

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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.