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Finding the Fourth Proportional to 35,487.60, 48,972.51 and 19,572.72

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Solution

The fourth proportional to 35,487.60, 48,972.51 and 19,572.72 is: 27,010.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,487.60 : 48,972.51 = 19,572.72 : x
  2. Step 2: Convert to fraction form
    35,487.60/48,972.51 = 19,572.72/x
  3. Step 3: Cross multiply
    35,487.60x = 48,972.51 × 19,572.72
  4. Step 4: Simplify right side
    35,487.60x = 958,525,225.93
  5. Step 5: Solve for x
    x = 958,525,225.93/35,487.60
  6. Step 6: Final answer
    x = 27,010.15

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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.