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Finding the Fourth Proportional to 64,929.56, 97,394.40 and 15,681.56

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Solution

The fourth proportional to 64,929.56, 97,394.40 and 15,681.56 is: 23,522.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,929.56 : 97,394.40 = 15,681.56 : x
  2. Step 2: Convert to fraction form
    64,929.56/97,394.40 = 15,681.56/x
  3. Step 3: Cross multiply
    64,929.56x = 97,394.40 × 15,681.56
  4. Step 4: Simplify right side
    64,929.56x = 1,527,296,127.26
  5. Step 5: Solve for x
    x = 1,527,296,127.26/64,929.56
  6. Step 6: Final answer
    x = 23,522.35

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1.5x scale

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.