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Finding the Fourth Proportional to 53,707.88, 74,114.80 and 29,836.06

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Solution

The fourth proportional to 53,707.88, 74,114.80 and 29,836.06 is: 41,172.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,707.88 : 74,114.80 = 29,836.06 : x
  2. Step 2: Convert to fraction form
    53,707.88/74,114.80 = 29,836.06/x
  3. Step 3: Cross multiply
    53,707.88x = 74,114.80 × 29,836.06
  4. Step 4: Simplify right side
    53,707.88x = 2,211,293,776.71
  5. Step 5: Solve for x
    x = 2,211,293,776.71/53,707.88
  6. Step 6: Final answer
    x = 41,172.62

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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.