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Finding the Fourth Proportional to 64,925.88, 89,569.26 and 38,054.76

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Solution

The fourth proportional to 64,925.88, 89,569.26 and 38,054.76 is: 52,498.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,925.88 : 89,569.26 = 38,054.76 : x
  2. Step 2: Convert to fraction form
    64,925.88/89,569.26 = 38,054.76/x
  3. Step 3: Cross multiply
    64,925.88x = 89,569.26 × 38,054.76
  4. Step 4: Simplify right side
    64,925.88x = 3,408,536,692.68
  5. Step 5: Solve for x
    x = 3,408,536,692.68/64,925.88
  6. Step 6: Final answer
    x = 52,498.89

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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.