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Finding the Fourth Proportional to 61,949.60, 85,490.55 and 33,655.31

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Solution

The fourth proportional to 61,949.60, 85,490.55 and 33,655.31 is: 46,444.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,949.60 : 85,490.55 = 33,655.31 : x
  2. Step 2: Convert to fraction form
    61,949.60/85,490.55 = 33,655.31/x
  3. Step 3: Cross multiply
    61,949.60x = 85,490.55 × 33,655.31
  4. Step 4: Simplify right side
    61,949.60x = 2,877,210,962.32
  5. Step 5: Solve for x
    x = 2,877,210,962.32/61,949.60
  6. Step 6: Final answer
    x = 46,444.38

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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.