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Finding the Fourth Proportional to 53,638.92, 74,014.92 and 29,762.28

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Solution

The fourth proportional to 53,638.92, 74,014.92 and 29,762.28 is: 41,068.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,638.92 : 74,014.92 = 29,762.28 : x
  2. Step 2: Convert to fraction form
    53,638.92/74,014.92 = 29,762.28/x
  3. Step 3: Cross multiply
    53,638.92x = 74,014.92 × 29,762.28
  4. Step 4: Simplify right side
    53,638.92x = 2,202,852,773.22
  5. Step 5: Solve for x
    x = 2,202,852,773.22/53,638.92
  6. Step 6: Final answer
    x = 41,068.18

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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.