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Finding the Fourth Proportional to 6,448,068.53, 8,898,962.57 and 4,813,637.77

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Solution

The fourth proportional to 6,448,068.53, 8,898,962.57 and 4,813,637.77 is: 6,643,288.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,448,068.53 : 8,898,962.57 = 4,813,637.77 : x
  2. Step 2: Convert to fraction form
    6,448,068.53/8,898,962.57 = 4,813,637.77/x
  3. Step 3: Cross multiply
    6,448,068.53x = 8,898,962.57 × 4,813,637.77
  4. Step 4: Simplify right side
    6,448,068.53x = 42,836,382,340,768.27
  5. Step 5: Solve for x
    x = 42,836,382,340,768.27/6,448,068.53
  6. Step 6: Final answer
    x = 6,643,288.94

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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.