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Finding the Fourth Proportional to 8,547.07, 12,820.52 and 2,703.67

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Solution

The fourth proportional to 8,547.07, 12,820.52 and 2,703.67 is: 4,055.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,547.07 : 12,820.52 = 2,703.67 : x
  2. Step 2: Convert to fraction form
    8,547.07/12,820.52 = 2,703.67/x
  3. Step 3: Cross multiply
    8,547.07x = 12,820.52 × 2,703.67
  4. Step 4: Simplify right side
    8,547.07x = 34,662,455.31
  5. Step 5: Solve for x
    x = 34,662,455.31/8,547.07
  6. Step 6: Final answer
    x = 4,055.48

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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.