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Finding the Fourth Proportional to 93,825.84, 129,472.92 and 51,377.52

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Solution

The fourth proportional to 93,825.84, 129,472.92 and 51,377.52 is: 70,897.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,825.84 : 129,472.92 = 51,377.52 : x
  2. Step 2: Convert to fraction form
    93,825.84/129,472.92 = 51,377.52/x
  3. Step 3: Cross multiply
    93,825.84x = 129,472.92 × 51,377.52
  4. Step 4: Simplify right side
    93,825.84x = 6,651,997,536.76
  5. Step 5: Solve for x
    x = 6,651,997,536.76/93,825.84
  6. Step 6: Final answer
    x = 70,897.29

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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.