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Finding the Fourth Proportional to 15,573,043.20, 23,359,564.82 and 15,573,043.20

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Solution

The fourth proportional to 15,573,043.20, 23,359,564.82 and 15,573,043.20 is: 23,359,564.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,573,043.20 : 23,359,564.82 = 15,573,043.20 : x
  2. Step 2: Convert to fraction form
    15,573,043.20/23,359,564.82 = 15,573,043.20/x
  3. Step 3: Cross multiply
    15,573,043.20x = 23,359,564.82 × 15,573,043.20
  4. Step 4: Simplify right side
    15,573,043.20x = 363,779,511,997,195
  5. Step 5: Solve for x
    x = 363,779,511,997,195/15,573,043.20
  6. Step 6: Final answer
    x = 23,359,564.82

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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.