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Finding the Fourth Proportional to 70,988.24, 97,913.16 and 49,772.24

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Solution

The fourth proportional to 70,988.24, 97,913.16 and 49,772.24 is: 68,650.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,988.24 : 97,913.16 = 49,772.24 : x
  2. Step 2: Convert to fraction form
    70,988.24/97,913.16 = 49,772.24/x
  3. Step 3: Cross multiply
    70,988.24x = 97,913.16 × 49,772.24
  4. Step 4: Simplify right side
    70,988.24x = 4,873,357,298.68
  5. Step 5: Solve for x
    x = 4,873,357,298.68/70,988.24
  6. Step 6: Final answer
    x = 68,650.21

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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.