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Finding the Fourth Proportional to 26,642,953.65, 39,964,430.48 and 14,507,728.05

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Solution

The fourth proportional to 26,642,953.65, 39,964,430.48 and 14,507,728.05 is: 21,761,592.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,642,953.65 : 39,964,430.48 = 14,507,728.05 : x
  2. Step 2: Convert to fraction form
    26,642,953.65/39,964,430.48 = 14,507,728.05/x
  3. Step 3: Cross multiply
    26,642,953.65x = 39,964,430.48 × 14,507,728.05
  4. Step 4: Simplify right side
    26,642,953.65x = 579,793,089,004,432.38
  5. Step 5: Solve for x
    x = 579,793,089,004,432.38/26,642,953.65
  6. Step 6: Final answer
    x = 21,761,592.08

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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.