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Finding the Fourth Proportional to 10,803.84, 14,909.20 and 6,088.08

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Solution

The fourth proportional to 10,803.84, 14,909.20 and 6,088.08 is: 8,401.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,803.84 : 14,909.20 = 6,088.08 : x
  2. Step 2: Convert to fraction form
    10,803.84/14,909.20 = 6,088.08/x
  3. Step 3: Cross multiply
    10,803.84x = 14,909.20 × 6,088.08
  4. Step 4: Simplify right side
    10,803.84x = 90,768,402.34
  5. Step 5: Solve for x
    x = 90,768,402.34/10,803.84
  6. Step 6: Final answer
    x = 8,401.49

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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.