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Finding the Fourth Proportional to 10,058.64, 15,059.92 and 5,117.64

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Solution

The fourth proportional to 10,058.64, 15,059.92 and 5,117.64 is: 7,662.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,058.64 : 15,059.92 = 5,117.64 : x
  2. Step 2: Convert to fraction form
    10,058.64/15,059.92 = 5,117.64/x
  3. Step 3: Cross multiply
    10,058.64x = 15,059.92 × 5,117.64
  4. Step 4: Simplify right side
    10,058.64x = 77,071,248.99
  5. Step 5: Solve for x
    x = 77,071,248.99/10,058.64
  6. Step 6: Final answer
    x = 7,662.19

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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.