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Finding the Fourth Proportional to 14,975.71, 20,670.08 and 9,006.23

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Solution

The fourth proportional to 14,975.71, 20,670.08 and 9,006.23 is: 12,430.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,975.71 : 20,670.08 = 9,006.23 : x
  2. Step 2: Convert to fraction form
    14,975.71/20,670.08 = 9,006.23/x
  3. Step 3: Cross multiply
    14,975.71x = 20,670.08 × 9,006.23
  4. Step 4: Simplify right side
    14,975.71x = 186,159,501.24
  5. Step 5: Solve for x
    x = 186,159,501.24/14,975.71
  6. Step 6: Final answer
    x = 12,430.77

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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.