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Finding the Fourth Proportional to 69,055.61, 95,295.80 and 38,840.92

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Solution

The fourth proportional to 69,055.61, 95,295.80 and 38,840.92 is: 53,599.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,055.61 : 95,295.80 = 38,840.92 : x
  2. Step 2: Convert to fraction form
    69,055.61/95,295.80 = 38,840.92/x
  3. Step 3: Cross multiply
    69,055.61x = 95,295.80 × 38,840.92
  4. Step 4: Simplify right side
    69,055.61x = 3,701,376,111.69
  5. Step 5: Solve for x
    x = 3,701,376,111.69/69,055.61
  6. Step 6: Final answer
    x = 53,599.93

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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.