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Finding the Fourth Proportional to 70,389.84, 97,060.14 and 44,855.76

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Solution

The fourth proportional to 70,389.84, 97,060.14 and 44,855.76 is: 61,851.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,389.84 : 97,060.14 = 44,855.76 : x
  2. Step 2: Convert to fraction form
    70,389.84/97,060.14 = 44,855.76/x
  3. Step 3: Cross multiply
    70,389.84x = 97,060.14 × 44,855.76
  4. Step 4: Simplify right side
    70,389.84x = 4,353,706,163.42
  5. Step 5: Solve for x
    x = 4,353,706,163.42/70,389.84
  6. Step 6: Final answer
    x = 61,851.34

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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.