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Finding the Fourth Proportional to 61,892.48, 85,412.40 and 33,598.64

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Solution

The fourth proportional to 61,892.48, 85,412.40 and 33,598.64 is: 46,366.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,892.48 : 85,412.40 = 33,598.64 : x
  2. Step 2: Convert to fraction form
    61,892.48/85,412.40 = 33,598.64/x
  3. Step 3: Cross multiply
    61,892.48x = 85,412.40 × 33,598.64
  4. Step 4: Simplify right side
    61,892.48x = 2,869,740,479.14
  5. Step 5: Solve for x
    x = 2,869,740,479.14/61,892.48
  6. Step 6: Final answer
    x = 46,366.55

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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.