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Finding the Fourth Proportional to 10,058.77, 13,880.86 and 5,582.44

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Solution

The fourth proportional to 10,058.77, 13,880.86 and 5,582.44 is: 7,703.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,058.77 : 13,880.86 = 5,582.44 : x
  2. Step 2: Convert to fraction form
    10,058.77/13,880.86 = 5,582.44/x
  3. Step 3: Cross multiply
    10,058.77x = 13,880.86 × 5,582.44
  4. Step 4: Simplify right side
    10,058.77x = 77,489,068.10
  5. Step 5: Solve for x
    x = 77,489,068.10/10,058.77
  6. Step 6: Final answer
    x = 7,703.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.