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Finding the Fourth Proportional to 47,090.48, 70,644.48 and 15,502.32

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Solution

The fourth proportional to 47,090.48, 70,644.48 and 15,502.32 is: 23,256.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,090.48 : 70,644.48 = 15,502.32 : x
  2. Step 2: Convert to fraction form
    47,090.48/70,644.48 = 15,502.32/x
  3. Step 3: Cross multiply
    47,090.48x = 70,644.48 × 15,502.32
  4. Step 4: Simplify right side
    47,090.48x = 1,095,153,335.19
  5. Step 5: Solve for x
    x = 1,095,153,335.19/47,090.48
  6. Step 6: Final answer
    x = 23,256.36

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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.