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Finding the Fourth Proportional to 51,802.60, 77,703.90 and 16,767.40

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Solution

The fourth proportional to 51,802.60, 77,703.90 and 16,767.40 is: 25,151.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,802.60 : 77,703.90 = 16,767.40 : x
  2. Step 2: Convert to fraction form
    51,802.60/77,703.90 = 16,767.40/x
  3. Step 3: Cross multiply
    51,802.60x = 77,703.90 × 16,767.40
  4. Step 4: Simplify right side
    51,802.60x = 1,302,892,372.86
  5. Step 5: Solve for x
    x = 1,302,892,372.86/51,802.60
  6. Step 6: Final answer
    x = 25,151.10

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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.