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Finding the Fourth Proportional to 35,484, 48,968.28 and 21,337.08

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Solution

The fourth proportional to 35,484, 48,968.28 and 21,337.08 is: 29,445.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,484 : 48,968.28 = 21,337.08 : x
  2. Step 2: Convert to fraction form
    35,484/48,968.28 = 21,337.08/x
  3. Step 3: Cross multiply
    35,484x = 48,968.28 × 21,337.08
  4. Step 4: Simplify right side
    35,484x = 1,044,840,107.82
  5. Step 5: Solve for x
    x = 1,044,840,107.82/35,484
  6. Step 6: Final answer
    x = 29,445.39

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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.