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Finding the Fourth Proportional to 70,497.57, 97,309.91 and 63,024.18

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Solution

The fourth proportional to 70,497.57, 97,309.91 and 63,024.18 is: 86,994.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,497.57 : 97,309.91 = 63,024.18 : x
  2. Step 2: Convert to fraction form
    70,497.57/97,309.91 = 63,024.18/x
  3. Step 3: Cross multiply
    70,497.57x = 97,309.91 × 63,024.18
  4. Step 4: Simplify right side
    70,497.57x = 6,132,876,481.95
  5. Step 5: Solve for x
    x = 6,132,876,481.95/70,497.57
  6. Step 6: Final answer
    x = 86,994.16

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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.