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Finding the Fourth Proportional to 69,904.71, 96,485.88 and 43,070.22

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Solution

The fourth proportional to 69,904.71, 96,485.88 and 43,070.22 is: 59,447.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,904.71 : 96,485.88 = 43,070.22 : x
  2. Step 2: Convert to fraction form
    69,904.71/96,485.88 = 43,070.22/x
  3. Step 3: Cross multiply
    69,904.71x = 96,485.88 × 43,070.22
  4. Step 4: Simplify right side
    69,904.71x = 4,155,668,078.49
  5. Step 5: Solve for x
    x = 4,155,668,078.49/69,904.71
  6. Step 6: Final answer
    x = 59,447.61

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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.