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Finding the Fourth Proportional to 8,702,380.04, 12,009,658.12 and 4,834,901.20

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Solution

The fourth proportional to 8,702,380.04, 12,009,658.12 and 4,834,901.20 is: 6,672,371.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,702,380.04 : 12,009,658.12 = 4,834,901.20 : x
  2. Step 2: Convert to fraction form
    8,702,380.04/12,009,658.12 = 4,834,901.20/x
  3. Step 3: Cross multiply
    8,702,380.04x = 12,009,658.12 × 4,834,901.20
  4. Step 4: Simplify right side
    8,702,380.04x = 58,065,510,371,754.95
  5. Step 5: Solve for x
    x = 58,065,510,371,754.95/8,702,380.04
  6. Step 6: Final answer
    x = 6,672,371.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.