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Finding the Fourth Proportional to 7,803,801, 10,765,607.58 and 5,051,374.20

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Solution

The fourth proportional to 7,803,801, 10,765,607.58 and 5,051,374.20 is: 6,968,541.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,803,801 : 10,765,607.58 = 5,051,374.20 : x
  2. Step 2: Convert to fraction form
    7,803,801/10,765,607.58 = 5,051,374.20/x
  3. Step 3: Cross multiply
    7,803,801x = 10,765,607.58 × 5,051,374.20
  4. Step 4: Simplify right side
    7,803,801x = 54,381,112,376,936.44
  5. Step 5: Solve for x
    x = 54,381,112,376,936.44/7,803,801
  6. Step 6: Final answer
    x = 6,968,541.66

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1.5x scale

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.