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Finding the Fourth Proportional to 10,353.61, 15,524.43 and 7,070.68

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Solution

The fourth proportional to 10,353.61, 15,524.43 and 7,070.68 is: 10,601.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,353.61 : 15,524.43 = 7,070.68 : x
  2. Step 2: Convert to fraction form
    10,353.61/15,524.43 = 7,070.68/x
  3. Step 3: Cross multiply
    10,353.61x = 15,524.43 × 7,070.68
  4. Step 4: Simplify right side
    10,353.61x = 109,768,276.71
  5. Step 5: Solve for x
    x = 109,768,276.71/10,353.61
  6. Step 6: Final answer
    x = 10,601.93

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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.