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Finding the Fourth Proportional to 30,395.61, 45,592.94 and 15,595.99

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Solution

The fourth proportional to 30,395.61, 45,592.94 and 15,595.99 is: 23,393.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,395.61 : 45,592.94 = 15,595.99 : x
  2. Step 2: Convert to fraction form
    30,395.61/45,592.94 = 15,595.99/x
  3. Step 3: Cross multiply
    30,395.61x = 45,592.94 × 15,595.99
  4. Step 4: Simplify right side
    30,395.61x = 711,066,961.32
  5. Step 5: Solve for x
    x = 711,066,961.32/30,395.61
  6. Step 6: Final answer
    x = 23,393.74

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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.