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Finding the Fourth Proportional to 69,166.45, 95,398.58 and 47,663.38

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Solution

The fourth proportional to 69,166.45, 95,398.58 and 47,663.38 is: 65,740.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,166.45 : 95,398.58 = 47,663.38 : x
  2. Step 2: Convert to fraction form
    69,166.45/95,398.58 = 47,663.38/x
  3. Step 3: Cross multiply
    69,166.45x = 95,398.58 × 47,663.38
  4. Step 4: Simplify right side
    69,166.45x = 4,547,018,650.66
  5. Step 5: Solve for x
    x = 4,547,018,650.66/69,166.45
  6. Step 6: Final answer
    x = 65,740.24

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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.