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Finding the Fourth Proportional to 64,988.31, 97,482.47 and 23,435.31

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Solution

The fourth proportional to 64,988.31, 97,482.47 and 23,435.31 is: 35,152.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,988.31 : 97,482.47 = 23,435.31 : x
  2. Step 2: Convert to fraction form
    64,988.31/97,482.47 = 23,435.31/x
  3. Step 3: Cross multiply
    64,988.31x = 97,482.47 × 23,435.31
  4. Step 4: Simplify right side
    64,988.31x = 2,284,531,904.02
  5. Step 5: Solve for x
    x = 2,284,531,904.02/64,988.31
  6. Step 6: Final answer
    x = 35,152.97

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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.