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Finding the Fourth Proportional to 16,862,465.92, 25,297,722.24 and 5,502,934.72

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Solution

The fourth proportional to 16,862,465.92, 25,297,722.24 and 5,502,934.72 is: 8,255,715.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,862,465.92 : 25,297,722.24 = 5,502,934.72 : x
  2. Step 2: Convert to fraction form
    16,862,465.92/25,297,722.24 = 5,502,934.72/x
  3. Step 3: Cross multiply
    16,862,465.92x = 25,297,722.24 × 5,502,934.72
  4. Step 4: Simplify right side
    16,862,465.92x = 139,211,714,051,412.16
  5. Step 5: Solve for x
    x = 139,211,714,051,412.16/16,862,465.92
  6. Step 6: Final answer
    x = 8,255,715.07

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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.