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Finding the Fourth Proportional to 69,352.48, 95,707.95 and 38,307.64

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Solution

The fourth proportional to 69,352.48, 95,707.95 and 38,307.64 is: 52,865.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,352.48 : 95,707.95 = 38,307.64 : x
  2. Step 2: Convert to fraction form
    69,352.48/95,707.95 = 38,307.64/x
  3. Step 3: Cross multiply
    69,352.48x = 95,707.95 × 38,307.64
  4. Step 4: Simplify right side
    69,352.48x = 3,666,345,693.74
  5. Step 5: Solve for x
    x = 3,666,345,693.74/69,352.48
  6. Step 6: Final answer
    x = 52,865.39

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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.