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Finding the Fourth Proportional to 8,637.95, 12,952.05 and 5,663.63

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Solution

The fourth proportional to 8,637.95, 12,952.05 and 5,663.63 is: 8,492.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,637.95 : 12,952.05 = 5,663.63 : x
  2. Step 2: Convert to fraction form
    8,637.95/12,952.05 = 5,663.63/x
  3. Step 3: Cross multiply
    8,637.95x = 12,952.05 × 5,663.63
  4. Step 4: Simplify right side
    8,637.95x = 73,355,554.18
  5. Step 5: Solve for x
    x = 73,355,554.18/8,637.95
  6. Step 6: Final answer
    x = 8,492.25

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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.