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Finding the Fourth Proportional to 4,668,762.79, 7,003,799.37 and 1,635,434.12

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Solution

The fourth proportional to 4,668,762.79, 7,003,799.37 and 1,635,434.12 is: 2,453,380.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,668,762.79 : 7,003,799.37 = 1,635,434.12 : x
  2. Step 2: Convert to fraction form
    4,668,762.79/7,003,799.37 = 1,635,434.12/x
  3. Step 3: Cross multiply
    4,668,762.79x = 7,003,799.37 × 1,635,434.12
  4. Step 4: Simplify right side
    4,668,762.79x = 11,454,252,459,332.51
  5. Step 5: Solve for x
    x = 11,454,252,459,332.51/4,668,762.79
  6. Step 6: Final answer
    x = 2,453,380.69

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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.