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Finding the Fourth Proportional to 21,030,006.30, 29,484,524.10 and 21,030,006.30

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Solution

The fourth proportional to 21,030,006.30, 29,484,524.10 and 21,030,006.30 is: 29,484,524.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,030,006.30 : 29,484,524.10 = 21,030,006.30 : x
  2. Step 2: Convert to fraction form
    21,030,006.30/29,484,524.10 = 21,030,006.30/x
  3. Step 3: Cross multiply
    21,030,006.30x = 29,484,524.10 × 21,030,006.30
  4. Step 4: Simplify right side
    21,030,006.30x = 620,059,727,575,501.88
  5. Step 5: Solve for x
    x = 620,059,727,575,501.88/21,030,006.30
  6. Step 6: Final answer
    x = 29,484,524.10

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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.