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Finding the Fourth Proportional to 8,547.45, 11,795.52 and 5,009.91

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Solution

The fourth proportional to 8,547.45, 11,795.52 and 5,009.91 is: 6,913.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,547.45 : 11,795.52 = 5,009.91 : x
  2. Step 2: Convert to fraction form
    8,547.45/11,795.52 = 5,009.91/x
  3. Step 3: Cross multiply
    8,547.45x = 11,795.52 × 5,009.91
  4. Step 4: Simplify right side
    8,547.45x = 59,094,493.60
  5. Step 5: Solve for x
    x = 59,094,493.60/8,547.45
  6. Step 6: Final answer
    x = 6,913.70

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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.