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Finding the Fourth Proportional to 7,186,502.70, 10,779,754.05 and 6,477,914.70

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Solution

The fourth proportional to 7,186,502.70, 10,779,754.05 and 6,477,914.70 is: 9,716,872.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,186,502.70 : 10,779,754.05 = 6,477,914.70 : x
  2. Step 2: Convert to fraction form
    7,186,502.70/10,779,754.05 = 6,477,914.70/x
  3. Step 3: Cross multiply
    7,186,502.70x = 10,779,754.05 × 6,477,914.70
  4. Step 4: Simplify right side
    7,186,502.70x = 69,830,327,222,879.54
  5. Step 5: Solve for x
    x = 69,830,327,222,879.54/7,186,502.70
  6. Step 6: Final answer
    x = 9,716,872.05

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Similar ratio
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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.