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Finding the Fourth Proportional to 19,275.42, 26,607.42 and 12,562.68

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Solution

The fourth proportional to 19,275.42, 26,607.42 and 12,562.68 is: 17,341.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,275.42 : 26,607.42 = 12,562.68 : x
  2. Step 2: Convert to fraction form
    19,275.42/26,607.42 = 12,562.68/x
  3. Step 3: Cross multiply
    19,275.42x = 26,607.42 × 12,562.68
  4. Step 4: Simplify right side
    19,275.42x = 334,260,503.09
  5. Step 5: Solve for x
    x = 334,260,503.09/19,275.42
  6. Step 6: Final answer
    x = 17,341.28

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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.