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Finding the Fourth Proportional to 19,526.88, 26,946.88 and 10,574.16

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Solution

The fourth proportional to 19,526.88, 26,946.88 and 10,574.16 is: 14,592.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,526.88 : 26,946.88 = 10,574.16 : x
  2. Step 2: Convert to fraction form
    19,526.88/26,946.88 = 10,574.16/x
  3. Step 3: Cross multiply
    19,526.88x = 26,946.88 × 10,574.16
  4. Step 4: Simplify right side
    19,526.88x = 284,940,620.62
  5. Step 5: Solve for x
    x = 284,940,620.62/19,526.88
  6. Step 6: Final answer
    x = 14,592.22

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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.