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Finding the Fourth Proportional to 63,031.70, 94,547.55 and 31,927.70

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Solution

The fourth proportional to 63,031.70, 94,547.55 and 31,927.70 is: 47,891.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,031.70 : 94,547.55 = 31,927.70 : x
  2. Step 2: Convert to fraction form
    63,031.70/94,547.55 = 31,927.70/x
  3. Step 3: Cross multiply
    63,031.70x = 94,547.55 × 31,927.70
  4. Step 4: Simplify right side
    63,031.70x = 3,018,685,812.14
  5. Step 5: Solve for x
    x = 3,018,685,812.14/63,031.70
  6. Step 6: Final answer
    x = 47,891.55

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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.