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Finding the Fourth Proportional to 60,967.16, 91,461.66 and 21,547.16

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Solution

The fourth proportional to 60,967.16, 91,461.66 and 21,547.16 is: 32,324.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,967.16 : 91,461.66 = 21,547.16 : x
  2. Step 2: Convert to fraction form
    60,967.16/91,461.66 = 21,547.16/x
  3. Step 3: Cross multiply
    60,967.16x = 91,461.66 × 21,547.16
  4. Step 4: Simplify right side
    60,967.16x = 1,970,739,021.89
  5. Step 5: Solve for x
    x = 1,970,739,021.89/60,967.16
  6. Step 6: Final answer
    x = 32,324.60

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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.