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Finding the Fourth Proportional to 70,744.50, 97,603.58 and 48,044.12

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Solution

The fourth proportional to 70,744.50, 97,603.58 and 48,044.12 is: 66,284.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,744.50 : 97,603.58 = 48,044.12 : x
  2. Step 2: Convert to fraction form
    70,744.50/97,603.58 = 48,044.12/x
  3. Step 3: Cross multiply
    70,744.50x = 97,603.58 × 48,044.12
  4. Step 4: Simplify right side
    70,744.50x = 4,689,277,742.04
  5. Step 5: Solve for x
    x = 4,689,277,742.04/70,744.50
  6. Step 6: Final answer
    x = 66,284.70

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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.