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Finding the Fourth Proportional to 70,371.98, 97,113.48 and 38,106.95

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Solution

The fourth proportional to 70,371.98, 97,113.48 and 38,106.95 is: 52,587.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,371.98 : 97,113.48 = 38,106.95 : x
  2. Step 2: Convert to fraction form
    70,371.98/97,113.48 = 38,106.95/x
  3. Step 3: Cross multiply
    70,371.98x = 97,113.48 × 38,106.95
  4. Step 4: Simplify right side
    70,371.98x = 3,700,698,526.69
  5. Step 5: Solve for x
    x = 3,700,698,526.69/70,371.98
  6. Step 6: Final answer
    x = 52,587.67

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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.