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Finding the Fourth Proportional to 61,852.39, 85,356.30 and 34,994.32

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Solution

The fourth proportional to 61,852.39, 85,356.30 and 34,994.32 is: 48,292.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,852.39 : 85,356.30 = 34,994.32 : x
  2. Step 2: Convert to fraction form
    61,852.39/85,356.30 = 34,994.32/x
  3. Step 3: Cross multiply
    61,852.39x = 85,356.30 × 34,994.32
  4. Step 4: Simplify right side
    61,852.39x = 2,986,985,676.22
  5. Step 5: Solve for x
    x = 2,986,985,676.22/61,852.39
  6. Step 6: Final answer
    x = 48,292.16

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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.