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Finding the Fourth Proportional to 14,570.60, 21,861.30 and 14,030.60

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Solution

The fourth proportional to 14,570.60, 21,861.30 and 14,030.60 is: 21,051.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,570.60 : 21,861.30 = 14,030.60 : x
  2. Step 2: Convert to fraction form
    14,570.60/21,861.30 = 14,030.60/x
  3. Step 3: Cross multiply
    14,570.60x = 21,861.30 × 14,030.60
  4. Step 4: Simplify right side
    14,570.60x = 306,727,155.78
  5. Step 5: Solve for x
    x = 306,727,155.78/14,570.60
  6. Step 6: Final answer
    x = 21,051.10

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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.