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Finding the Fourth Proportional to 9,957,271.80, 14,909,335.65 and 9,957,271.80

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Solution

The fourth proportional to 9,957,271.80, 14,909,335.65 and 9,957,271.80 is: 14,909,335.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,957,271.80 : 14,909,335.65 = 9,957,271.80 : x
  2. Step 2: Convert to fraction form
    9,957,271.80/14,909,335.65 = 9,957,271.80/x
  3. Step 3: Cross multiply
    9,957,271.80x = 14,909,335.65 × 9,957,271.80
  4. Step 4: Simplify right side
    9,957,271.80x = 148,456,307,424,479.69
  5. Step 5: Solve for x
    x = 148,456,307,424,479.69/9,957,271.80
  6. Step 6: Final answer
    x = 14,909,335.65

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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.