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Finding the Fourth Proportional to 39,357.68, 59,044.08 and 12,710.80

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Solution

The fourth proportional to 39,357.68, 59,044.08 and 12,710.80 is: 19,068.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,357.68 : 59,044.08 = 12,710.80 : x
  2. Step 2: Convert to fraction form
    39,357.68/59,044.08 = 12,710.80/x
  3. Step 3: Cross multiply
    39,357.68x = 59,044.08 × 12,710.80
  4. Step 4: Simplify right side
    39,357.68x = 750,497,492.06
  5. Step 5: Solve for x
    x = 750,497,492.06/39,357.68
  6. Step 6: Final answer
    x = 19,068.64

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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.