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Finding the Fourth Proportional to 8,394.04, 12,582.40 and 4,497.40

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Solution

The fourth proportional to 8,394.04, 12,582.40 and 4,497.40 is: 6,741.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,394.04 : 12,582.40 = 4,497.40 : x
  2. Step 2: Convert to fraction form
    8,394.04/12,582.40 = 4,497.40/x
  3. Step 3: Cross multiply
    8,394.04x = 12,582.40 × 4,497.40
  4. Step 4: Simplify right side
    8,394.04x = 56,588,085.76
  5. Step 5: Solve for x
    x = 56,588,085.76/8,394.04
  6. Step 6: Final answer
    x = 6,741.46

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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.