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Finding the Fourth Proportional to 5,798,543.20, 8,697,814.80 and 5,266,664.80

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Solution

The fourth proportional to 5,798,543.20, 8,697,814.80 and 5,266,664.80 is: 7,899,997.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,798,543.20 : 8,697,814.80 = 5,266,664.80 : x
  2. Step 2: Convert to fraction form
    5,798,543.20/8,697,814.80 = 5,266,664.80/x
  3. Step 3: Cross multiply
    5,798,543.20x = 8,697,814.80 × 5,266,664.80
  4. Step 4: Simplify right side
    5,798,543.20x = 45,808,475,044,079.04
  5. Step 5: Solve for x
    x = 45,808,475,044,079.04/5,798,543.20
  6. Step 6: Final answer
    x = 7,899,997.20

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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.