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Finding the Fourth Proportional to 53,743.86, 74,160.96 and 33,602.96

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Solution

The fourth proportional to 53,743.86, 74,160.96 and 33,602.96 is: 46,368.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,743.86 : 74,160.96 = 33,602.96 : x
  2. Step 2: Convert to fraction form
    53,743.86/74,160.96 = 33,602.96/x
  3. Step 3: Cross multiply
    53,743.86x = 74,160.96 × 33,602.96
  4. Step 4: Simplify right side
    53,743.86x = 2,492,027,401.64
  5. Step 5: Solve for x
    x = 2,492,027,401.64/53,743.86
  6. Step 6: Final answer
    x = 46,368.60

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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.