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Finding the Fourth Proportional to 35,447.95, 48,920.35 and 19,532.40

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Solution

The fourth proportional to 35,447.95, 48,920.35 and 19,532.40 is: 26,955.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,447.95 : 48,920.35 = 19,532.40 : x
  2. Step 2: Convert to fraction form
    35,447.95/48,920.35 = 19,532.40/x
  3. Step 3: Cross multiply
    35,447.95x = 48,920.35 × 19,532.40
  4. Step 4: Simplify right side
    35,447.95x = 955,531,599.74
  5. Step 5: Solve for x
    x = 955,531,599.74/35,447.95
  6. Step 6: Final answer
    x = 26,955.91

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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.