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Finding the Fourth Proportional to 6,506,411.70, 9,759,617.55 and 4,114,927.20

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Solution

The fourth proportional to 6,506,411.70, 9,759,617.55 and 4,114,927.20 is: 6,172,390.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,506,411.70 : 9,759,617.55 = 4,114,927.20 : x
  2. Step 2: Convert to fraction form
    6,506,411.70/9,759,617.55 = 4,114,927.20/x
  3. Step 3: Cross multiply
    6,506,411.70x = 9,759,617.55 × 4,114,927.20
  4. Step 4: Simplify right side
    6,506,411.70x = 40,160,115,718,092.37
  5. Step 5: Solve for x
    x = 40,160,115,718,092.37/6,506,411.70
  6. Step 6: Final answer
    x = 6,172,390.80

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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.