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Finding the Fourth Proportional to 35,365.44, 48,792.16 and 21,931.88

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Solution

The fourth proportional to 35,365.44, 48,792.16 and 21,931.88 is: 30,258.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,365.44 : 48,792.16 = 21,931.88 : x
  2. Step 2: Convert to fraction form
    35,365.44/48,792.16 = 21,931.88/x
  3. Step 3: Cross multiply
    35,365.44x = 48,792.16 × 21,931.88
  4. Step 4: Simplify right side
    35,365.44x = 1,070,103,798.06
  5. Step 5: Solve for x
    x = 1,070,103,798.06/35,365.44
  6. Step 6: Final answer
    x = 30,258.46

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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.