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Finding the Fourth Proportional to 5,674,804.70, 8,512,207.05 and 5,343,028.70

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Solution

The fourth proportional to 5,674,804.70, 8,512,207.05 and 5,343,028.70 is: 8,014,543.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,674,804.70 : 8,512,207.05 = 5,343,028.70 : x
  2. Step 2: Convert to fraction form
    5,674,804.70/8,512,207.05 = 5,343,028.70/x
  3. Step 3: Cross multiply
    5,674,804.70x = 8,512,207.05 × 5,343,028.70
  4. Step 4: Simplify right side
    5,674,804.70x = 45,480,966,568,492.34
  5. Step 5: Solve for x
    x = 45,480,966,568,492.34/5,674,804.70
  6. Step 6: Final answer
    x = 8,014,543.05

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Similar ratio
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1.5x scale

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.