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Finding the Fourth Proportional to 70,326.76, 97,006.14 and 49,098.28

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Solution

The fourth proportional to 70,326.76, 97,006.14 and 49,098.28 is: 67,724.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,326.76 : 97,006.14 = 49,098.28 : x
  2. Step 2: Convert to fraction form
    70,326.76/97,006.14 = 49,098.28/x
  3. Step 3: Cross multiply
    70,326.76x = 97,006.14 × 49,098.28
  4. Step 4: Simplify right side
    70,326.76x = 4,762,834,623.44
  5. Step 5: Solve for x
    x = 4,762,834,623.44/70,326.76
  6. Step 6: Final answer
    x = 67,724.36

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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.