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Finding the Fourth Proportional to 53,762.98, 74,188.71 and 29,888.20

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Solution

The fourth proportional to 53,762.98, 74,188.71 and 29,888.20 is: 41,243.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,762.98 : 74,188.71 = 29,888.20 : x
  2. Step 2: Convert to fraction form
    53,762.98/74,188.71 = 29,888.20/x
  3. Step 3: Cross multiply
    53,762.98x = 74,188.71 × 29,888.20
  4. Step 4: Simplify right side
    53,762.98x = 2,217,367,002.22
  5. Step 5: Solve for x
    x = 2,217,367,002.22/53,762.98
  6. Step 6: Final answer
    x = 41,243.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.