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Finding the Fourth Proportional to 52,041.80, 78,062.88 and 12,598.85

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Solution

The fourth proportional to 52,041.80, 78,062.88 and 12,598.85 is: 18,898.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,041.80 : 78,062.88 = 12,598.85 : x
  2. Step 2: Convert to fraction form
    52,041.80/78,062.88 = 12,598.85/x
  3. Step 3: Cross multiply
    52,041.80x = 78,062.88 × 12,598.85
  4. Step 4: Simplify right side
    52,041.80x = 983,502,515.69
  5. Step 5: Solve for x
    x = 983,502,515.69/52,041.80
  6. Step 6: Final answer
    x = 18,898.32

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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.