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Finding the Fourth Proportional to 6,709,659.84, 10,064,800.80 and 1,918,030.32

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Solution

The fourth proportional to 6,709,659.84, 10,064,800.80 and 1,918,030.32 is: 2,877,134.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,709,659.84 : 10,064,800.80 = 1,918,030.32 : x
  2. Step 2: Convert to fraction form
    6,709,659.84/10,064,800.80 = 1,918,030.32/x
  3. Step 3: Cross multiply
    6,709,659.84x = 10,064,800.80 × 1,918,030.32
  4. Step 4: Simplify right side
    6,709,659.84x = 19,304,593,099,160.26
  5. Step 5: Solve for x
    x = 19,304,593,099,160.26/6,709,659.84
  6. Step 6: Final answer
    x = 2,877,134.39

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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.