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Finding the Fourth Proportional to 70,480.62, 97,264.59 and 38,647.62

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Solution

The fourth proportional to 70,480.62, 97,264.59 and 38,647.62 is: 53,334.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,480.62 : 97,264.59 = 38,647.62 : x
  2. Step 2: Convert to fraction form
    70,480.62/97,264.59 = 38,647.62/x
  3. Step 3: Cross multiply
    70,480.62x = 97,264.59 × 38,647.62
  4. Step 4: Simplify right side
    70,480.62x = 3,759,044,913.78
  5. Step 5: Solve for x
    x = 3,759,044,913.78/70,480.62
  6. Step 6: Final answer
    x = 53,334.45

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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.