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Finding the Fourth Proportional to 70,860.71, 97,798.89 and 41,792.28

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Solution

The fourth proportional to 70,860.71, 97,798.89 and 41,792.28 is: 57,679.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,860.71 : 97,798.89 = 41,792.28 : x
  2. Step 2: Convert to fraction form
    70,860.71/97,798.89 = 41,792.28/x
  3. Step 3: Cross multiply
    70,860.71x = 97,798.89 × 41,792.28
  4. Step 4: Simplify right side
    70,860.71x = 4,087,238,594.57
  5. Step 5: Solve for x
    x = 4,087,238,594.57/70,860.71
  6. Step 6: Final answer
    x = 57,679.90

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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.