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Finding the Fourth Proportional to 63,408.84, 87,503.94 and 34,728.63

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Solution

The fourth proportional to 63,408.84, 87,503.94 and 34,728.63 is: 47,925.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,408.84 : 87,503.94 = 34,728.63 : x
  2. Step 2: Convert to fraction form
    63,408.84/87,503.94 = 34,728.63/x
  3. Step 3: Cross multiply
    63,408.84x = 87,503.94 × 34,728.63
  4. Step 4: Simplify right side
    63,408.84x = 3,038,891,955.80
  5. Step 5: Solve for x
    x = 3,038,891,955.80/63,408.84
  6. Step 6: Final answer
    x = 47,925.37

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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.