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Finding the Fourth Proportional to 61,695.84, 85,140.36 and 33,401.64

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Solution

The fourth proportional to 61,695.84, 85,140.36 and 33,401.64 is: 46,094.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,695.84 : 85,140.36 = 33,401.64 : x
  2. Step 2: Convert to fraction form
    61,695.84/85,140.36 = 33,401.64/x
  3. Step 3: Cross multiply
    61,695.84x = 85,140.36 × 33,401.64
  4. Step 4: Simplify right side
    61,695.84x = 2,843,827,654.19
  5. Step 5: Solve for x
    x = 2,843,827,654.19/61,695.84
  6. Step 6: Final answer
    x = 46,094.32

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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.