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Finding the Fourth Proportional to 64,376.16, 88,821.48 and 38,524.30

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Solution

The fourth proportional to 64,376.16, 88,821.48 and 38,524.30 is: 53,152.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,376.16 : 88,821.48 = 38,524.30 : x
  2. Step 2: Convert to fraction form
    64,376.16/88,821.48 = 38,524.30/x
  3. Step 3: Cross multiply
    64,376.16x = 88,821.48 × 38,524.30
  4. Step 4: Simplify right side
    64,376.16x = 3,421,785,341.96
  5. Step 5: Solve for x
    x = 3,421,785,341.96/64,376.16
  6. Step 6: Final answer
    x = 53,152.99

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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.