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Finding the Fourth Proportional to 8,931.58, 12,325.58 and 4,952.95

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Solution

The fourth proportional to 8,931.58, 12,325.58 and 4,952.95 is: 6,835.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,931.58 : 12,325.58 = 4,952.95 : x
  2. Step 2: Convert to fraction form
    8,931.58/12,325.58 = 4,952.95/x
  3. Step 3: Cross multiply
    8,931.58x = 12,325.58 × 4,952.95
  4. Step 4: Simplify right side
    8,931.58x = 61,047,956.70
  5. Step 5: Solve for x
    x = 61,047,956.70/8,931.58
  6. Step 6: Final answer
    x = 6,835.07

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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.