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Finding the Fourth Proportional to 17,802.60, 26,703.90 and 9,929.40

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Solution

The fourth proportional to 17,802.60, 26,703.90 and 9,929.40 is: 14,894.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,802.60 : 26,703.90 = 9,929.40 : x
  2. Step 2: Convert to fraction form
    17,802.60/26,703.90 = 9,929.40/x
  3. Step 3: Cross multiply
    17,802.60x = 26,703.90 × 9,929.40
  4. Step 4: Simplify right side
    17,802.60x = 265,153,704.66
  5. Step 5: Solve for x
    x = 265,153,704.66/17,802.60
  6. Step 6: Final answer
    x = 14,894.10

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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.