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Finding the Fourth Proportional to 6,751,987.54, 9,317,742.12 and 3,654,510.40

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Solution

The fourth proportional to 6,751,987.54, 9,317,742.12 and 3,654,510.40 is: 5,043,223.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,751,987.54 : 9,317,742.12 = 3,654,510.40 : x
  2. Step 2: Convert to fraction form
    6,751,987.54/9,317,742.12 = 3,654,510.40/x
  3. Step 3: Cross multiply
    6,751,987.54x = 9,317,742.12 × 3,654,510.40
  4. Step 4: Simplify right side
    6,751,987.54x = 34,051,785,482,058.04
  5. Step 5: Solve for x
    x = 34,051,785,482,058.04/6,751,987.54
  6. Step 6: Final answer
    x = 5,043,223.98

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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.