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Finding the Fourth Proportional to 61,810.60, 85,298.16 and 33,516.24

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Solution

The fourth proportional to 61,810.60, 85,298.16 and 33,516.24 is: 46,252.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,810.60 : 85,298.16 = 33,516.24 : x
  2. Step 2: Convert to fraction form
    61,810.60/85,298.16 = 33,516.24/x
  3. Step 3: Cross multiply
    61,810.60x = 85,298.16 × 33,516.24
  4. Step 4: Simplify right side
    61,810.60x = 2,858,873,602.12
  5. Step 5: Solve for x
    x = 2,858,873,602.12/61,810.60
  6. Step 6: Final answer
    x = 46,252.16

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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.