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Finding the Fourth Proportional to 64,802.19, 97,203.28 and 15,554.19

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Solution

The fourth proportional to 64,802.19, 97,203.28 and 15,554.19 is: 23,331.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,802.19 : 97,203.28 = 15,554.19 : x
  2. Step 2: Convert to fraction form
    64,802.19/97,203.28 = 15,554.19/x
  3. Step 3: Cross multiply
    64,802.19x = 97,203.28 × 15,554.19
  4. Step 4: Simplify right side
    64,802.19x = 1,511,918,081.62
  5. Step 5: Solve for x
    x = 1,511,918,081.62/64,802.19
  6. Step 6: Final answer
    x = 23,331.28

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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.