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Finding the Fourth Proportional to 61,807.10, 92,710.65 and 30,703.10

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Solution

The fourth proportional to 61,807.10, 92,710.65 and 30,703.10 is: 46,054.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,807.10 : 92,710.65 = 30,703.10 : x
  2. Step 2: Convert to fraction form
    61,807.10/92,710.65 = 30,703.10/x
  3. Step 3: Cross multiply
    61,807.10x = 92,710.65 × 30,703.10
  4. Step 4: Simplify right side
    61,807.10x = 2,846,504,358.02
  5. Step 5: Solve for x
    x = 2,846,504,358.02/61,807.10
  6. Step 6: Final answer
    x = 46,054.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.