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Finding the Fourth Proportional to 6,340,014.80, 8,748,482.31 and 3,549,290.87

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Solution

The fourth proportional to 6,340,014.80, 8,748,482.31 and 3,549,290.87 is: 4,897,608.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,340,014.80 : 8,748,482.31 = 3,549,290.87 : x
  2. Step 2: Convert to fraction form
    6,340,014.80/8,748,482.31 = 3,549,290.87/x
  3. Step 3: Cross multiply
    6,340,014.80x = 8,748,482.31 × 3,549,290.87
  4. Step 4: Simplify right side
    6,340,014.80x = 31,050,908,375,929.67
  5. Step 5: Solve for x
    x = 31,050,908,375,929.67/6,340,014.80
  6. Step 6: Final answer
    x = 4,897,608.19

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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.