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Finding the Fourth Proportional to 34,451.68, 47,543.16 and 19,547.68

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Solution

The fourth proportional to 34,451.68, 47,543.16 and 19,547.68 is: 26,975.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,451.68 : 47,543.16 = 19,547.68 : x
  2. Step 2: Convert to fraction form
    34,451.68/47,543.16 = 19,547.68/x
  3. Step 3: Cross multiply
    34,451.68x = 47,543.16 × 19,547.68
  4. Step 4: Simplify right side
    34,451.68x = 929,358,477.87
  5. Step 5: Solve for x
    x = 929,358,477.87/34,451.68
  6. Step 6: Final answer
    x = 26,975.71

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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.