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Finding the Fourth Proportional to 57,671,894.89, 86,508,066.75 and 13,952,583.22

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Solution

The fourth proportional to 57,671,894.89, 86,508,066.75 and 13,952,583.22 is: 20,928,929.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,671,894.89 : 86,508,066.75 = 13,952,583.22 : x
  2. Step 2: Convert to fraction form
    57,671,894.89/86,508,066.75 = 13,952,583.22/x
  3. Step 3: Cross multiply
    57,671,894.89x = 86,508,066.75 × 13,952,583.22
  4. Step 4: Simplify right side
    57,671,894.89x = 1,207,011,000,502,769.50
  5. Step 5: Solve for x
    x = 1,207,011,000,502,769.50/57,671,894.89
  6. Step 6: Final answer
    x = 20,928,929.12

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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.