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Finding the Fourth Proportional to 35,521,009.80, 49,779,802.20 and 35,521,009.80

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Solution

The fourth proportional to 35,521,009.80, 49,779,802.20 and 35,521,009.80 is: 49,779,802.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,521,009.80 : 49,779,802.20 = 35,521,009.80 : x
  2. Step 2: Convert to fraction form
    35,521,009.80/49,779,802.20 = 35,521,009.80/x
  3. Step 3: Cross multiply
    35,521,009.80x = 49,779,802.20 × 35,521,009.80
  4. Step 4: Simplify right side
    35,521,009.80x = 1,768,228,841,788,261.50
  5. Step 5: Solve for x
    x = 1,768,228,841,788,261.50/35,521,009.80
  6. Step 6: Final answer
    x = 49,779,802.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.