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Finding the Fourth Proportional to 69,854.04, 96,384.28 and 67,453.72

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Solution

The fourth proportional to 69,854.04, 96,384.28 and 67,453.72 is: 93,072.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,854.04 : 96,384.28 = 67,453.72 : x
  2. Step 2: Convert to fraction form
    69,854.04/96,384.28 = 67,453.72/x
  3. Step 3: Cross multiply
    69,854.04x = 96,384.28 × 67,453.72
  4. Step 4: Simplify right side
    69,854.04x = 6,501,478,235.52
  5. Step 5: Solve for x
    x = 6,501,478,235.52/69,854.04
  6. Step 6: Final answer
    x = 93,072.33

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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.