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Finding the Fourth Proportional to 15,766,356.30, 23,649,534.45 and 15,660,068.10

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Solution

The fourth proportional to 15,766,356.30, 23,649,534.45 and 15,660,068.10 is: 23,490,102.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,766,356.30 : 23,649,534.45 = 15,660,068.10 : x
  2. Step 2: Convert to fraction form
    15,766,356.30/23,649,534.45 = 15,660,068.10/x
  3. Step 3: Cross multiply
    15,766,356.30x = 23,649,534.45 × 15,660,068.10
  4. Step 4: Simplify right side
    15,766,356.30x = 370,353,320,020,296
  5. Step 5: Solve for x
    x = 370,353,320,020,296/15,766,356.30
  6. Step 6: Final answer
    x = 23,490,102.15

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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.