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Finding the Fourth Proportional to 32,307.59, 48,461.42 and 12,312.43

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Solution

The fourth proportional to 32,307.59, 48,461.42 and 12,312.43 is: 18,468.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,307.59 : 48,461.42 = 12,312.43 : x
  2. Step 2: Convert to fraction form
    32,307.59/48,461.42 = 12,312.43/x
  3. Step 3: Cross multiply
    32,307.59x = 48,461.42 × 12,312.43
  4. Step 4: Simplify right side
    32,307.59x = 596,677,751.08
  5. Step 5: Solve for x
    x = 596,677,751.08/32,307.59
  6. Step 6: Final answer
    x = 18,468.65

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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.