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Finding the Fourth Proportional to 13,205,329.20, 18,500,058 and 13,205,329.20

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Solution

The fourth proportional to 13,205,329.20, 18,500,058 and 13,205,329.20 is: 18,500,058

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,205,329.20 : 18,500,058 = 13,205,329.20 : x
  2. Step 2: Convert to fraction form
    13,205,329.20/18,500,058 = 13,205,329.20/x
  3. Step 3: Cross multiply
    13,205,329.20x = 18,500,058 × 13,205,329.20
  4. Step 4: Simplify right side
    13,205,329.20x = 244,299,356,109,093.59
  5. Step 5: Solve for x
    x = 244,299,356,109,093.59/13,205,329.20
  6. Step 6: Final answer
    x = 18,500,058

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1.5x scale

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.