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Finding the Fourth Proportional to 70,497.69, 97,310.07 and 63,024.30

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Solution

The fourth proportional to 70,497.69, 97,310.07 and 63,024.30 is: 86,994.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,497.69 : 97,310.07 = 63,024.30 : x
  2. Step 2: Convert to fraction form
    70,497.69/97,310.07 = 63,024.30/x
  3. Step 3: Cross multiply
    70,497.69x = 97,310.07 × 63,024.30
  4. Step 4: Simplify right side
    70,497.69x = 6,132,899,281.04
  5. Step 5: Solve for x
    x = 6,132,899,281.04/70,497.69
  6. Step 6: Final answer
    x = 86,994.33

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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.