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Finding the Fourth Proportional to 61,574.76, 84,973.04 and 33,280.38

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Solution

The fourth proportional to 61,574.76, 84,973.04 and 33,280.38 is: 45,926.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,574.76 : 84,973.04 = 33,280.38 : x
  2. Step 2: Convert to fraction form
    61,574.76/84,973.04 = 33,280.38/x
  3. Step 3: Cross multiply
    61,574.76x = 84,973.04 × 33,280.38
  4. Step 4: Simplify right side
    61,574.76x = 2,827,935,060.96
  5. Step 5: Solve for x
    x = 2,827,935,060.96/61,574.76
  6. Step 6: Final answer
    x = 45,926.85

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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.