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Finding the Fourth Proportional to 60,610.45, 90,929.98 and 19,057.45

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Solution

The fourth proportional to 60,610.45, 90,929.98 and 19,057.45 is: 28,590.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,610.45 : 90,929.98 = 19,057.45 : x
  2. Step 2: Convert to fraction form
    60,610.45/90,929.98 = 19,057.45/x
  3. Step 3: Cross multiply
    60,610.45x = 90,929.98 × 19,057.45
  4. Step 4: Simplify right side
    60,610.45x = 1,732,893,547.35
  5. Step 5: Solve for x
    x = 1,732,893,547.35/60,610.45
  6. Step 6: Final answer
    x = 28,590.67

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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.