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Finding the Fourth Proportional to 17,564.40, 26,411.40 and 14,713.20

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Solution

The fourth proportional to 17,564.40, 26,411.40 and 14,713.20 is: 22,124.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,564.40 : 26,411.40 = 14,713.20 : x
  2. Step 2: Convert to fraction form
    17,564.40/26,411.40 = 14,713.20/x
  3. Step 3: Cross multiply
    17,564.40x = 26,411.40 × 14,713.20
  4. Step 4: Simplify right side
    17,564.40x = 388,596,210.48
  5. Step 5: Solve for x
    x = 388,596,210.48/17,564.40
  6. Step 6: Final answer
    x = 22,124.08

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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.