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Finding the Fourth Proportional to 34,502.40, 51,656.40 and 31,003.20

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Solution

The fourth proportional to 34,502.40, 51,656.40 and 31,003.20 is: 46,417.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,502.40 : 51,656.40 = 31,003.20 : x
  2. Step 2: Convert to fraction form
    34,502.40/51,656.40 = 31,003.20/x
  3. Step 3: Cross multiply
    34,502.40x = 51,656.40 × 31,003.20
  4. Step 4: Simplify right side
    34,502.40x = 1,601,513,700.48
  5. Step 5: Solve for x
    x = 1,601,513,700.48/34,502.40
  6. Step 6: Final answer
    x = 46,417.46

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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.