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Finding the Fourth Proportional to 35,142.80, 48,495 and 19,224.08

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Solution

The fourth proportional to 35,142.80, 48,495 and 19,224.08 is: 26,528.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,142.80 : 48,495 = 19,224.08 : x
  2. Step 2: Convert to fraction form
    35,142.80/48,495 = 19,224.08/x
  3. Step 3: Cross multiply
    35,142.80x = 48,495 × 19,224.08
  4. Step 4: Simplify right side
    35,142.80x = 932,271,759.60
  5. Step 5: Solve for x
    x = 932,271,759.60/35,142.80
  6. Step 6: Final answer
    x = 26,528.10

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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.