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Finding the Fourth Proportional to 3,547.11, 4,897.11 and 3,152.99

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Solution

The fourth proportional to 3,547.11, 4,897.11 and 3,152.99 is: 4,352.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,547.11 : 4,897.11 = 3,152.99 : x
  2. Step 2: Convert to fraction form
    3,547.11/4,897.11 = 3,152.99/x
  3. Step 3: Cross multiply
    3,547.11x = 4,897.11 × 3,152.99
  4. Step 4: Simplify right side
    3,547.11x = 15,440,514.37
  5. Step 5: Solve for x
    x = 15,440,514.37/3,547.11
  6. Step 6: Final answer
    x = 4,352.98

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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.