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Finding the Fourth Proportional to 53,699.88, 74,111.64 and 32,490.84

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Solution

The fourth proportional to 53,699.88, 74,111.64 and 32,490.84 is: 44,840.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,699.88 : 74,111.64 = 32,490.84 : x
  2. Step 2: Convert to fraction form
    53,699.88/74,111.64 = 32,490.84/x
  3. Step 3: Cross multiply
    53,699.88x = 74,111.64 × 32,490.84
  4. Step 4: Simplify right side
    53,699.88x = 2,407,949,437.38
  5. Step 5: Solve for x
    x = 2,407,949,437.38/53,699.88
  6. Step 6: Final answer
    x = 44,840.87

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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.