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Finding the Fourth Proportional to 61,852.66, 85,347.60 and 34,627.34

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Solution

The fourth proportional to 61,852.66, 85,347.60 and 34,627.34 is: 47,780.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,852.66 : 85,347.60 = 34,627.34 : x
  2. Step 2: Convert to fraction form
    61,852.66/85,347.60 = 34,627.34/x
  3. Step 3: Cross multiply
    61,852.66x = 85,347.60 × 34,627.34
  4. Step 4: Simplify right side
    61,852.66x = 2,955,360,090.27
  5. Step 5: Solve for x
    x = 2,955,360,090.27/61,852.66
  6. Step 6: Final answer
    x = 47,780.64

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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.