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Finding the Fourth Proportional to 61,841.45, 85,341.45 and 33,547.34

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Solution

The fourth proportional to 61,841.45, 85,341.45 and 33,547.34 is: 46,295.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,841.45 : 85,341.45 = 33,547.34 : x
  2. Step 2: Convert to fraction form
    61,841.45/85,341.45 = 33,547.34/x
  3. Step 3: Cross multiply
    61,841.45x = 85,341.45 × 33,547.34
  4. Step 4: Simplify right side
    61,841.45x = 2,862,978,212.54
  5. Step 5: Solve for x
    x = 2,862,978,212.54/61,841.45
  6. Step 6: Final answer
    x = 46,295.46

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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.