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Finding the Fourth Proportional to 27,799,415.64, 41,662,807.11 and 15,502,888.26

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Solution

The fourth proportional to 27,799,415.64, 41,662,807.11 and 15,502,888.26 is: 23,234,079.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,799,415.64 : 41,662,807.11 = 15,502,888.26 : x
  2. Step 2: Convert to fraction form
    27,799,415.64/41,662,807.11 = 15,502,888.26/x
  3. Step 3: Cross multiply
    27,799,415.64x = 41,662,807.11 × 15,502,888.26
  4. Step 4: Simplify right side
    27,799,415.64x = 645,893,843,224,263.50
  5. Step 5: Solve for x
    x = 645,893,843,224,263.50/27,799,415.64
  6. Step 6: Final answer
    x = 23,234,079.87

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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.