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Finding the Fourth Proportional to 8,547.54, 12,821.40 and 3,001.04

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Solution

The fourth proportional to 8,547.54, 12,821.40 and 3,001.04 is: 4,501.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,547.54 : 12,821.40 = 3,001.04 : x
  2. Step 2: Convert to fraction form
    8,547.54/12,821.40 = 3,001.04/x
  3. Step 3: Cross multiply
    8,547.54x = 12,821.40 × 3,001.04
  4. Step 4: Simplify right side
    8,547.54x = 38,477,534.26
  5. Step 5: Solve for x
    x = 38,477,534.26/8,547.54
  6. Step 6: Final answer
    x = 4,501.59

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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.