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Finding the Fourth Proportional to 35,483.68, 48,969.72 and 19,568.16

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Solution

The fourth proportional to 35,483.68, 48,969.72 and 19,568.16 is: 27,005.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,483.68 : 48,969.72 = 19,568.16 : x
  2. Step 2: Convert to fraction form
    35,483.68/48,969.72 = 19,568.16/x
  3. Step 3: Cross multiply
    35,483.68x = 48,969.72 × 19,568.16
  4. Step 4: Simplify right side
    35,483.68x = 958,247,316.12
  5. Step 5: Solve for x
    x = 958,247,316.12/35,483.68
  6. Step 6: Final answer
    x = 27,005.30

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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.