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Finding the Fourth Proportional to 8,587.60, 11,852.08 and 5,444.08

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Solution

The fourth proportional to 8,587.60, 11,852.08 and 5,444.08 is: 7,513.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,587.60 : 11,852.08 = 5,444.08 : x
  2. Step 2: Convert to fraction form
    8,587.60/11,852.08 = 5,444.08/x
  3. Step 3: Cross multiply
    8,587.60x = 11,852.08 × 5,444.08
  4. Step 4: Simplify right side
    8,587.60x = 64,523,671.69
  5. Step 5: Solve for x
    x = 64,523,671.69/8,587.60
  6. Step 6: Final answer
    x = 7,513.59

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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.