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Finding the Fourth Proportional to 39,655.50, 59,483.25 and 15,031.50

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Solution

The fourth proportional to 39,655.50, 59,483.25 and 15,031.50 is: 22,547.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,655.50 : 59,483.25 = 15,031.50 : x
  2. Step 2: Convert to fraction form
    39,655.50/59,483.25 = 15,031.50/x
  3. Step 3: Cross multiply
    39,655.50x = 59,483.25 × 15,031.50
  4. Step 4: Simplify right side
    39,655.50x = 894,122,472.38
  5. Step 5: Solve for x
    x = 894,122,472.38/39,655.50
  6. Step 6: Final answer
    x = 22,547.25

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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.