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Finding the Fourth Proportional to 15,798.60, 21,794.22 and 10,486.62

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Solution

The fourth proportional to 15,798.60, 21,794.22 and 10,486.62 is: 14,466.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,798.60 : 21,794.22 = 10,486.62 : x
  2. Step 2: Convert to fraction form
    15,798.60/21,794.22 = 10,486.62/x
  3. Step 3: Cross multiply
    15,798.60x = 21,794.22 × 10,486.62
  4. Step 4: Simplify right side
    15,798.60x = 228,547,703.34
  5. Step 5: Solve for x
    x = 228,547,703.34/15,798.60
  6. Step 6: Final answer
    x = 14,466.33

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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.