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Finding the Fourth Proportional to 64,952.35, 97,428.53 and 47,456.35

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Solution

The fourth proportional to 64,952.35, 97,428.53 and 47,456.35 is: 71,184.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,952.35 : 97,428.53 = 47,456.35 : x
  2. Step 2: Convert to fraction form
    64,952.35/97,428.53 = 47,456.35/x
  3. Step 3: Cross multiply
    64,952.35x = 97,428.53 × 47,456.35
  4. Step 4: Simplify right side
    64,952.35x = 4,623,602,182.38
  5. Step 5: Solve for x
    x = 4,623,602,182.38/64,952.35
  6. Step 6: Final answer
    x = 71,184.53

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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.