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Finding the Fourth Proportional to 64,802.57, 97,203.85 and 15,554.57

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Solution

The fourth proportional to 64,802.57, 97,203.85 and 15,554.57 is: 23,331.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,802.57 : 97,203.85 = 15,554.57 : x
  2. Step 2: Convert to fraction form
    64,802.57/97,203.85 = 15,554.57/x
  3. Step 3: Cross multiply
    64,802.57x = 97,203.85 × 15,554.57
  4. Step 4: Simplify right side
    64,802.57x = 1,511,963,525.30
  5. Step 5: Solve for x
    x = 1,511,963,525.30/64,802.57
  6. Step 6: Final answer
    x = 23,331.85

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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.