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Finding the Fourth Proportional to 6,472,300.14, 8,931,765.51 and 3,571,690.95

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Solution

The fourth proportional to 6,472,300.14, 8,931,765.51 and 3,571,690.95 is: 4,928,928.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,472,300.14 : 8,931,765.51 = 3,571,690.95 : x
  2. Step 2: Convert to fraction form
    6,472,300.14/8,931,765.51 = 3,571,690.95/x
  3. Step 3: Cross multiply
    6,472,300.14x = 8,931,765.51 × 3,571,690.95
  4. Step 4: Simplify right side
    6,472,300.14x = 31,901,506,039,589.14
  5. Step 5: Solve for x
    x = 31,901,506,039,589.14/6,472,300.14
  6. Step 6: Final answer
    x = 4,928,928.72

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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.