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Finding the Fourth Proportional to 39,922,702.80, 59,772,079.80 and 38,802,958.80

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Solution

The fourth proportional to 39,922,702.80, 59,772,079.80 and 38,802,958.80 is: 58,095,604.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,922,702.80 : 59,772,079.80 = 38,802,958.80 : x
  2. Step 2: Convert to fraction form
    39,922,702.80/59,772,079.80 = 38,802,958.80/x
  3. Step 3: Cross multiply
    39,922,702.80x = 59,772,079.80 × 38,802,958.80
  4. Step 4: Simplify right side
    39,922,702.80x = 2,319,333,549,869,712
  5. Step 5: Solve for x
    x = 2,319,333,549,869,712/39,922,702.80
  6. Step 6: Final answer
    x = 58,095,604.44

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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.