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Finding the Fourth Proportional to 47,303.63, 70,938.11 and 15,707.96

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Solution

The fourth proportional to 47,303.63, 70,938.11 and 15,707.96 is: 23,556.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,303.63 : 70,938.11 = 15,707.96 : x
  2. Step 2: Convert to fraction form
    47,303.63/70,938.11 = 15,707.96/x
  3. Step 3: Cross multiply
    47,303.63x = 70,938.11 × 15,707.96
  4. Step 4: Simplify right side
    47,303.63x = 1,114,292,561.13
  5. Step 5: Solve for x
    x = 1,114,292,561.13/47,303.63
  6. Step 6: Final answer
    x = 23,556.18

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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.