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Finding the Fourth Proportional to 30,199.35, 45,298.97 and 7,710.02

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Solution

The fourth proportional to 30,199.35, 45,298.97 and 7,710.02 is: 11,565.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,199.35 : 45,298.97 = 7,710.02 : x
  2. Step 2: Convert to fraction form
    30,199.35/45,298.97 = 7,710.02/x
  3. Step 3: Cross multiply
    30,199.35x = 45,298.97 × 7,710.02
  4. Step 4: Simplify right side
    30,199.35x = 349,255,898.42
  5. Step 5: Solve for x
    x = 349,255,898.42/30,199.35
  6. Step 6: Final answer
    x = 11,565.01

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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.