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Finding the Fourth Proportional to 64,853.42, 89,484.08 and 39,373.11

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Solution

The fourth proportional to 64,853.42, 89,484.08 and 39,373.11 is: 54,326.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,853.42 : 89,484.08 = 39,373.11 : x
  2. Step 2: Convert to fraction form
    64,853.42/89,484.08 = 39,373.11/x
  3. Step 3: Cross multiply
    64,853.42x = 89,484.08 × 39,373.11
  4. Step 4: Simplify right side
    64,853.42x = 3,523,266,328.22
  5. Step 5: Solve for x
    x = 3,523,266,328.22/64,853.42
  6. Step 6: Final answer
    x = 54,326.61

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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.