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Finding the Fourth Proportional to 61,752.19, 85,218.10 and 33,457.88

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Solution

The fourth proportional to 61,752.19, 85,218.10 and 33,457.88 is: 46,171.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,752.19 : 85,218.10 = 33,457.88 : x
  2. Step 2: Convert to fraction form
    61,752.19/85,218.10 = 33,457.88/x
  3. Step 3: Cross multiply
    61,752.19x = 85,218.10 × 33,457.88
  4. Step 4: Simplify right side
    61,752.19x = 2,851,216,963.63
  5. Step 5: Solve for x
    x = 2,851,216,963.63/61,752.19
  6. Step 6: Final answer
    x = 46,171.92

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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.