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Finding the Fourth Proportional to 15,791,706.08, 23,696,317.92 and 7,704,748.16

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Solution

The fourth proportional to 15,791,706.08, 23,696,317.92 and 7,704,748.16 is: 11,561,395.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,791,706.08 : 23,696,317.92 = 7,704,748.16 : x
  2. Step 2: Convert to fraction form
    15,791,706.08/23,696,317.92 = 7,704,748.16/x
  3. Step 3: Cross multiply
    15,791,706.08x = 23,696,317.92 × 7,704,748.16
  4. Step 4: Simplify right side
    15,791,706.08x = 182,574,161,892,895.03
  5. Step 5: Solve for x
    x = 182,574,161,892,895.03/15,791,706.08
  6. Step 6: Final answer
    x = 11,561,395.64

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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.