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Finding the Fourth Proportional to 9,964,531.80, 14,920,225.65 and 9,964,531.80

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Solution

The fourth proportional to 9,964,531.80, 14,920,225.65 and 9,964,531.80 is: 14,920,225.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,964,531.80 : 14,920,225.65 = 9,964,531.80 : x
  2. Step 2: Convert to fraction form
    9,964,531.80/14,920,225.65 = 9,964,531.80/x
  3. Step 3: Cross multiply
    9,964,531.80x = 14,920,225.65 × 9,964,531.80
  4. Step 4: Simplify right side
    9,964,531.80x = 148,673,062,952,600.69
  5. Step 5: Solve for x
    x = 148,673,062,952,600.69/9,964,531.80
  6. Step 6: Final answer
    x = 14,920,225.65

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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.