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Finding the Fourth Proportional to 14,095,615.20, 19,691,346 and 14,095,615.20

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Solution

The fourth proportional to 14,095,615.20, 19,691,346 and 14,095,615.20 is: 19,691,346

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,095,615.20 : 19,691,346 = 14,095,615.20 : x
  2. Step 2: Convert to fraction form
    14,095,615.20/19,691,346 = 14,095,615.20/x
  3. Step 3: Cross multiply
    14,095,615.20x = 19,691,346 × 14,095,615.20
  4. Step 4: Simplify right side
    14,095,615.20x = 277,561,635,986,059.19
  5. Step 5: Solve for x
    x = 277,561,635,986,059.19/14,095,615.20
  6. Step 6: Final answer
    x = 19,691,346

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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.