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Finding the Fourth Proportional to 16,602,820.80, 24,914,728.80 and 9,779,380.80

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Solution

The fourth proportional to 16,602,820.80, 24,914,728.80 and 9,779,380.80 is: 14,675,254.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,602,820.80 : 24,914,728.80 = 9,779,380.80 : x
  2. Step 2: Convert to fraction form
    16,602,820.80/24,914,728.80 = 9,779,380.80/x
  3. Step 3: Cross multiply
    16,602,820.80x = 24,914,728.80 × 9,779,380.80
  4. Step 4: Simplify right side
    16,602,820.80x = 243,650,620,463,927.06
  5. Step 5: Solve for x
    x = 243,650,620,463,927.06/16,602,820.80
  6. Step 6: Final answer
    x = 14,675,254.49

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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.