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Finding the Fourth Proportional to 62,328.30, 93,492.45 and 20,208.30

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Solution

The fourth proportional to 62,328.30, 93,492.45 and 20,208.30 is: 30,312.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,328.30 : 93,492.45 = 20,208.30 : x
  2. Step 2: Convert to fraction form
    62,328.30/93,492.45 = 20,208.30/x
  3. Step 3: Cross multiply
    62,328.30x = 93,492.45 × 20,208.30
  4. Step 4: Simplify right side
    62,328.30x = 1,889,323,477.34
  5. Step 5: Solve for x
    x = 1,889,323,477.34/62,328.30
  6. Step 6: Final answer
    x = 30,312.45

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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.