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Finding the Fourth Proportional to 58,424.86, 87,598.95 and 20,966.14

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Solution

The fourth proportional to 58,424.86, 87,598.95 and 20,966.14 is: 31,435.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,424.86 : 87,598.95 = 20,966.14 : x
  2. Step 2: Convert to fraction form
    58,424.86/87,598.95 = 20,966.14/x
  3. Step 3: Cross multiply
    58,424.86x = 87,598.95 × 20,966.14
  4. Step 4: Simplify right side
    58,424.86x = 1,836,611,849.55
  5. Step 5: Solve for x
    x = 1,836,611,849.55/58,424.86
  6. Step 6: Final answer
    x = 31,435.45

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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.