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Finding the Fourth Proportional to 6,750,931.06, 9,316,212.18 and 3,653,385.88

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Solution

The fourth proportional to 6,750,931.06, 9,316,212.18 and 3,653,385.88 is: 5,041,633.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,750,931.06 : 9,316,212.18 = 3,653,385.88 : x
  2. Step 2: Convert to fraction form
    6,750,931.06/9,316,212.18 = 3,653,385.88/x
  3. Step 3: Cross multiply
    6,750,931.06x = 9,316,212.18 × 3,653,385.88
  4. Step 4: Simplify right side
    6,750,931.06x = 34,035,718,033,496.02
  5. Step 5: Solve for x
    x = 34,035,718,033,496.02/6,750,931.06
  6. Step 6: Final answer
    x = 5,041,633.18

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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.