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Finding the Fourth Proportional to 28,973,853.30, 40,623,114.30 and 28,973,853.30

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Solution

The fourth proportional to 28,973,853.30, 40,623,114.30 and 28,973,853.30 is: 40,623,114.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,973,853.30 : 40,623,114.30 = 28,973,853.30 : x
  2. Step 2: Convert to fraction form
    28,973,853.30/40,623,114.30 = 28,973,853.30/x
  3. Step 3: Cross multiply
    28,973,853.30x = 40,623,114.30 × 28,973,853.30
  4. Step 4: Simplify right side
    28,973,853.30x = 1,177,008,154,317,332.25
  5. Step 5: Solve for x
    x = 1,177,008,154,317,332.25/28,973,853.30
  6. Step 6: Final answer
    x = 40,623,114.30

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.