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Finding the Fourth Proportional to 10,407.96, 15,594.48 and 10,003.32

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Solution

The fourth proportional to 10,407.96, 15,594.48 and 10,003.32 is: 14,988.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,407.96 : 15,594.48 = 10,003.32 : x
  2. Step 2: Convert to fraction form
    10,407.96/15,594.48 = 10,003.32/x
  3. Step 3: Cross multiply
    10,407.96x = 15,594.48 × 10,003.32
  4. Step 4: Simplify right side
    10,407.96x = 155,996,573.67
  5. Step 5: Solve for x
    x = 155,996,573.67/10,407.96
  6. Step 6: Final answer
    x = 14,988.20

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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.