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Finding the Fourth Proportional to 15,743,365.70, 23,615,048.55 and 15,743,365.70

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Solution

The fourth proportional to 15,743,365.70, 23,615,048.55 and 15,743,365.70 is: 23,615,048.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,743,365.70 : 23,615,048.55 = 15,743,365.70 : x
  2. Step 2: Convert to fraction form
    15,743,365.70/23,615,048.55 = 15,743,365.70/x
  3. Step 3: Cross multiply
    15,743,365.70x = 23,615,048.55 × 15,743,365.70
  4. Step 4: Simplify right side
    15,743,365.70x = 371,780,345,345,904.75
  5. Step 5: Solve for x
    x = 371,780,345,345,904.75/15,743,365.70
  6. Step 6: Final answer
    x = 23,615,048.55

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1.5x scale

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.