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Finding the Fourth Proportional to 14,792.63, 20,430.63 and 10,068.71

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Solution

The fourth proportional to 14,792.63, 20,430.63 and 10,068.71 is: 13,906.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,792.63 : 20,430.63 = 10,068.71 : x
  2. Step 2: Convert to fraction form
    14,792.63/20,430.63 = 10,068.71/x
  3. Step 3: Cross multiply
    14,792.63x = 20,430.63 × 10,068.71
  4. Step 4: Simplify right side
    14,792.63x = 205,709,986.43
  5. Step 5: Solve for x
    x = 205,709,986.43/14,792.63
  6. Step 6: Final answer
    x = 13,906.25

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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.