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Finding the Fourth Proportional to 15,772,630.80, 22,141,402.80 and 15,772,630.80

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Solution

The fourth proportional to 15,772,630.80, 22,141,402.80 and 15,772,630.80 is: 22,141,402.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,772,630.80 : 22,141,402.80 = 15,772,630.80 : x
  2. Step 2: Convert to fraction form
    15,772,630.80/22,141,402.80 = 15,772,630.80/x
  3. Step 3: Cross multiply
    15,772,630.80x = 22,141,402.80 × 15,772,630.80
  4. Step 4: Simplify right side
    15,772,630.80x = 349,228,171,758,486.25
  5. Step 5: Solve for x
    x = 349,228,171,758,486.25/15,772,630.80
  6. Step 6: Final answer
    x = 22,141,402.80

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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.