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Finding the Fourth Proportional to 62,421.40, 93,437.70 and 36,047.80

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Solution

The fourth proportional to 62,421.40, 93,437.70 and 36,047.80 is: 53,959.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,421.40 : 93,437.70 = 36,047.80 : x
  2. Step 2: Convert to fraction form
    62,421.40/93,437.70 = 36,047.80/x
  3. Step 3: Cross multiply
    62,421.40x = 93,437.70 × 36,047.80
  4. Step 4: Simplify right side
    62,421.40x = 3,368,223,522.06
  5. Step 5: Solve for x
    x = 3,368,223,522.06/62,421.40
  6. Step 6: Final answer
    x = 53,959.44

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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.