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Finding the Fourth Proportional to 7,766,462.79, 10,717,730.46 and 4,328,630.01

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Solution

The fourth proportional to 7,766,462.79, 10,717,730.46 and 4,328,630.01 is: 5,973,516.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,766,462.79 : 10,717,730.46 = 4,328,630.01 : x
  2. Step 2: Convert to fraction form
    7,766,462.79/10,717,730.46 = 4,328,630.01/x
  3. Step 3: Cross multiply
    7,766,462.79x = 10,717,730.46 × 4,328,630.01
  4. Step 4: Simplify right side
    7,766,462.79x = 46,393,089,708,247.11
  5. Step 5: Solve for x
    x = 46,393,089,708,247.11/7,766,462.79
  6. Step 6: Final answer
    x = 5,973,516.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.