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Finding the Fourth Proportional to 64,547.37, 96,613.85 and 34,486.49

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Solution

The fourth proportional to 64,547.37, 96,613.85 and 34,486.49 is: 51,619.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,547.37 : 96,613.85 = 34,486.49 : x
  2. Step 2: Convert to fraction form
    64,547.37/96,613.85 = 34,486.49/x
  3. Step 3: Cross multiply
    64,547.37x = 96,613.85 × 34,486.49
  4. Step 4: Simplify right side
    64,547.37x = 3,331,872,088.82
  5. Step 5: Solve for x
    x = 3,331,872,088.82/64,547.37
  6. Step 6: Final answer
    x = 51,619.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.