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Finding the Fourth Proportional to 70,256.76, 96,955.10 and 38,424.98

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Solution

The fourth proportional to 70,256.76, 96,955.10 and 38,424.98 is: 53,026.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,256.76 : 96,955.10 = 38,424.98 : x
  2. Step 2: Convert to fraction form
    70,256.76/96,955.10 = 38,424.98/x
  3. Step 3: Cross multiply
    70,256.76x = 96,955.10 × 38,424.98
  4. Step 4: Simplify right side
    70,256.76x = 3,725,497,778.40
  5. Step 5: Solve for x
    x = 3,725,497,778.40/70,256.76
  6. Step 6: Final answer
    x = 53,026.89

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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.