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Finding the Fourth Proportional to 67,295.04, 92,859.84 and 39,009.60

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Solution

The fourth proportional to 67,295.04, 92,859.84 and 39,009.60 is: 53,829.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,295.04 : 92,859.84 = 39,009.60 : x
  2. Step 2: Convert to fraction form
    67,295.04/92,859.84 = 39,009.60/x
  3. Step 3: Cross multiply
    67,295.04x = 92,859.84 × 39,009.60
  4. Step 4: Simplify right side
    67,295.04x = 3,622,425,214.46
  5. Step 5: Solve for x
    x = 3,622,425,214.46/67,295.04
  6. Step 6: Final answer
    x = 53,829.01

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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.