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Finding the Fourth Proportional to 35,039.78, 48,354.93 and 19,124.22

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Solution

The fourth proportional to 35,039.78, 48,354.93 and 19,124.22 is: 26,391.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,039.78 : 48,354.93 = 19,124.22 : x
  2. Step 2: Convert to fraction form
    35,039.78/48,354.93 = 19,124.22/x
  3. Step 3: Cross multiply
    35,039.78x = 48,354.93 × 19,124.22
  4. Step 4: Simplify right side
    35,039.78x = 924,750,319.40
  5. Step 5: Solve for x
    x = 924,750,319.40/35,039.78
  6. Step 6: Final answer
    x = 26,391.45

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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.