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Finding the Fourth Proportional to 6,774,442.47, 9,348,707.22 and 3,676,965.63

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Solution

The fourth proportional to 6,774,442.47, 9,348,707.22 and 3,676,965.63 is: 5,074,199.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,774,442.47 : 9,348,707.22 = 3,676,965.63 : x
  2. Step 2: Convert to fraction form
    6,774,442.47/9,348,707.22 = 3,676,965.63/x
  3. Step 3: Cross multiply
    6,774,442.47x = 9,348,707.22 × 3,676,965.63
  4. Step 4: Simplify right side
    6,774,442.47x = 34,374,875,132,872.85
  5. Step 5: Solve for x
    x = 34,374,875,132,872.85/6,774,442.47
  6. Step 6: Final answer
    x = 5,074,199.87

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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.